I've Been Killing Slimes for 300 Years and Maxed Out My Level

I've Been Killing Slimes for 300 Years and Maxed Out My Level

I've Been Killing Slimes for 300 Years and Maxed Out My Level

Watch Trailer Watch S1E1

Share

I've Been Killing Slimes for 300 Years and Maxed Out My Level

2021- 2025

2 Seasons

24 Episodes

7.9(226 votes)

Ended

Animation

Comedy

Sci-Fi & Fantasy

Overview

After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some point, though, I end up at level 99! All those years spent killing slimes to make the money to pay the bills gave me a ton of experience points. Rumors of the level 99 witch spread, and soon I’m up to my ears in curious adventurers, duelist dragons, and even a monster girl calling me her mom! I’ve never been on an adventure, but I’m the strongest in the world… What’s going to happen to my relaxing life?!

Where to Watch

Stream

Crunchyroll

Crunchyroll Amazon Channel

Anime Times Amazon Channel

Links & Resources

Website IMDbView

Social & External

Production Companies

REVOROOT

Nippon Columbia

Hakuhodo DY Music & Pictures

BS11

STUDIO MAUSU

AT-X

THE KLOCKWORX

movic

DMM GAMES

Bushiroad

Medicos Entertainment

Square Enix

SB Creative

Videos & Trailers

1 video

Cast & Crew

9 members

Acting

悠木碧

Azusa (voice)

悠木碧

Acting

本渡楓

Laika (voice)

本渡楓

Acting

千本木彩花

Falfa (voice)

千本木彩花

Acting

田中美海

Shalsha (voice)

田中美海

Acting

原田彩楓

Halkara (voice)

原田彩楓

Acting

沼倉愛美

Beelzebub (voice)

沼倉愛美

Acting

杉山里穂

Rosary (voice)

杉山里穂

Acting

和氣あず未

Fratorte (voice)

和氣あず未

Acting

田村ゆかり

Pecora (voice)

田村ゆかり

Similar TV Shows

Betrothed to My Sister's Ex

Betrothed to My Sister's Ex

Marie, the second daughter of a poor baron’s household, is treated like a servant by her parents. Even at Marie’s birthday party, her beautiful elder sister, Anastasia, is the star. Outside, Marie bumps into Count Kyuros Granado, who falls for her at first sight. Yet, due to a misunderstanding, the Count proposes to Anastasia. After a tragic accident, Marie must marry the count instead!

Necronomico and the Cosmic Horror Show

Necronomico and the Cosmic Horror Show

Miko Kurono, also known as Necronomico, graduates from middle school and decides to pursue her dreams of becoming a streamer. One day, as she’s with her childhood friend, Mayu Mayusaka, and her rival, Kanna Kagurasaka, she accepts an offer to play a new VR game. The game gives Miko the opportunity to take on mysterious challenges with other unique streamers she meets within the VR world.

Apocalypse Bringer Mynoghra: World Conquest Starts with the Civilization of Ruin

Apocalypse Bringer Mynoghra: World Conquest Starts with the Civilization of Ruin

In Eternal Nations, a fantasy strategy game where players manage an empire, Takuto Ira is a legendary player who sits atop the leaderboard. Takuto goes unconscious during a hospitalization and awakens on the continent of Idoragya, which looks just like the game. Takuto meets Sludge Atou, his favorite unit in the game, and decides to build Mynoghra, an evil empire.

Dad Is a Hero, Mom Is a Spirit, I'm a Reincarnator

Dad Is a Hero, Mom Is a Spirit, I'm a Reincarnator

Ellen, an 8-year-old girl and half-spirit, once lived as a scientist in modern-day Japan. Now she's been reincarnated into a new family: Rovel, her father and the kingdom's legendary hero, and Origin, her mother and the queen of spirits. On top of that, Ellen herself has the power to manipulate chemical elements! But are Ellen's powers enough to protect their family's happiness?

Hell Mode: The Hardcore Gamer Dominates in Another World with Garbage Balancing

Hell Mode: The Hardcore Gamer Dominates in Another World with Garbage Balancing

Kenichi Yamada, a single, 35-year-old businessman, has spent the majority of his adult life playing every MMORPG to hit the market. Tired of the constant cycle of repetitive, newbie-centric gameplay, he is immediately drawn in by the promise of a new game that, on top of being never-ending, offers up a "Hell Mode"—a difficulty level that makes it nigh impossible to level up but also promises uncapped growth potential. Upon selecting the newly released Summoner class, Kenichi finds himself reborn as Allen, an infant in a serf family, with nothing but his wits and old memories to guide him.

NG Knight Lamune & 40 EX

NG Knight Lamune & 40 EX

Lamune has returned to Earth with no memory of his adventures on Hara-Hara world and Doki-Doki space. The remains of Gobuhriki find their way to Earth, and awaken the spirit of Don Harumage. While Cocoa builds a fighting vehicle with stuff she finds around Tokyo, Milk and Leska set off to find Lamune and Da Cider to save the day before the new Gobuhriki is revived and destroys the Earth.

NG Knight Lamune & 40 DX

NG Knight Lamune & 40 DX

Lamune and Da Cider head off to Puff-Puff Palace to rescue two beautiful barely clothed maidens, Gold Mountain and Silver Mountain- the Mountain Duo. This of course infuriates Milk and Leska, who with a rather confused and unwilling Cocoa "transform" into "Seinaru Milky", "Seinaru Cacao", and "Seinaru Lemon". The three then head after their would-be boyfriends to extract their revenge.

The Irresponsible Captain Tylor OVA

The Irresponsible Captain Tylor OVA

Six long months have passed. The Raalgon Empire has developed a horrible new type of weapon, and Tylor has been charged with the duty of intercepting it as it is being transported. But when all that could go wrong does go wrong, the crew members of the Soyokaze find themselves at the mercy of their enemies. As the hours tick down toward their execution, the crew wonders: has their irresponsible captain misled them? Or is this all a part of some greater strategy?

Honkai Impact 3rd Animation

Honkai Impact 3rd Animation

Animated Shorts by MiHoYo that are found in-game and on YouTube. Follow the adventures of Kiana Kaslana, Raiden Mei, and Bronya Zaychik along with their friends and foes as they confront the calamitous forces of evil called the Honkai and the Herrschers that lead its Will to unleash terrible destruction upon the Earth. The trio are a group of Schicksal Valkyries from Saint Freya Academy who must work with their allies leading the charge against Honkai such as Anti-Entropy along with their enemies the World Serpent to put an end to the everlasting power of the Honkai. Come fight for all that is beautiful in the world!

Yumi's Cells

Yumi's Cells

Yumi is a 30-year old, ordinary woman who struggles with expressing her feelings. Told from the perspective of the many brain cells in her head, she experiences growth in both her love life, her career, and finds happiness in the small joys of everyday life.

GARO

GARO

The Makai fight a secret war against the demon forces known as Horrors, evil creatures that manifest themselves through darkness to devour Humanity. On the frontlines are the Makai Knights, given the task of watching over a district and eliminating any Horrors that manifest there. GARO follows the tales of the Knights bearing the title of ‘Golden Knight Garo’, and their duty to vanquish the Horrors and protect Humanity from the darkness.

Charmed

Charmed

Three sisters (Prue, Piper and Phoebe) reunite and unlock their powers to become the Charmed Ones, the most powerful good witches of all time, whose prophesied destiny is to protect innocent lives from evil beings such as demons and warlocks. Each sister possesses unique magical powers that grow and evolve, while they attempt to maintain normal lives in modern day San Francisco.

ThunderCats

ThunderCats

The inhabitants of the planet Thundera evacuate just before it is destroyed. They were pursued by a band of mutants. All but one of their escape ships was destroyed. Only a small group of Thunderans (Thundercats) remained. With only half engine power, the group, which was led by Jaga, had to set a course for the nearest planet. Jaga commanded their ship while the other seven were in their stasis tubes. Jaga died on their journey to Third Earth and their ship crashed there. Soon they made friends with various groups in the area and they designed a fortress. Mumm-Ra the centuries-old embodiment of evil, along with the mutants that destroyed the rest of the Thunderans are a constant threat. But Lion-O, the new leader of the Thundercats, with his weapon the "Sword of Omens" will help the Thundercats to have a standing chance.

Shoebox Zoo

Shoebox Zoo

Shoebox Zoo is an urban fantasy TV series made in a collaboration between BBC Scotland and various Canadian television companies. It is mostly live-action, but with CGI used for the animal figurines. The show centers on the story of a young girl named Marnie McBride, who is given a shoebox containing four toy animals by a mysterious old man at a junk shop, as a gift for her 11th birthday. These magical toys have the power to come alive on Marnie’s command, and they’re on a quest to find an ancient book that once belonged to a great and powerful wizard.

Madan Senki Ryukendo

Madan Senki Ryukendo

Akebono City is a peaceful community overflowing with humanity. Since there was a Power Spot that released the magical power in the community, the people were distressed by the threat of the demon army Jamanga who are gathering Minus Energy from the frightened masses for a sinister purpose. The secret organization S.H.O.T. was formed to protect the people of the community from the Jamanga, concealing their existence as ordinary members of the Akebono Police Station, which considers demons beyond their jurisdiction. Kenji Narukami, a student of the Narukami Dragon God Style for fighting demons, arrives at Akebono to fight the demons, eventually getting his wish when he is transformed to RyuKenDo and faces off against Jamanga's forces together with his friends to restore peace in the community.

Natsunagu!

Natsunagu!

Natsuna Kunugi, a university student in Tokyo, visits Kumamoto in search of friends who she could not contact following the Kumamoto earthquakes. There, she meets local people who are full of compassion and uniqueness, including the energetic junior high school student, Izumi. A heartfelt coming-of-age story begins.

Stop!! Hibari-kun!

Stop!! Hibari-kun!

A teenage boy has now moved in the home of his mother's friend, because she had died a while back. It just so happens that the Yakuza family has four beautiful daughters, but one daughter, Hibari, who is more beautiful then the rest of the daughters is male. Hibari just can't keep her hands off our hero and so their crazy yet happy lives go on.

Galaxy Angel Rune

Galaxy Angel Rune

Apricot Sakuraba and four new girls are assigned as the new Galaxy Angels with the same mission: to search for the Lost Technology and keep peace to Planet Transbaal.

Super Cub

Super Cub

Koguma is a high school girl in Yamanashi. She has no parents, friends, or hobbies, and her daily life is empty. One day, Koguma gets a used Honda Super Cub motorcycle. This is her first time going to school on a motorcycle. Running out of gas and hitting detours become a small source of adventure in Koguma's life. She is satisfied with this strange transformation, but her classmate Reiko ends up talking to her about how she also goes to school by motorcycle. One Super Cub begins to open up a lonely girl's world, introducing her to a new everyday life and friendship.

Copihan

Copihan

A school comedy taking place in Tokyo in 2034. Copihan is a joint project of Gonzo and Kei, the illustrator of the manga version of Copihan who is best known for Hatsune Miku.

Recommended TV Shows

Let's Make a Mug Too

Let's Make a Mug Too

Together with her father, who had quit his salaryman job, Toyokawa Himeno moves to Gifu prefecture's Tajimi city. That's the city where her mother is from, whom she had lost when she was still young. Himeno is now attending her mother's alma mater, where her classmate Kukuri Mika invites her to tag along to a special place. That place turns out to be the pottery club! There, she learns for the first time that her mother was a legendary potter, and is consequently pulled into the world of pottery.

Bottom-Tier Character Tomozaki

Bottom-Tier Character Tomozaki

Tomozaki is one of the best gamers in Japan, and in his opinion, the game of real life is one of the worst. No clear-cut rules for success, horribly balanced, and nothing makes sense. But then he meets a gamer who’s just as good as him, and she offers to teach him a few exploits…

Restaurant to Another World

Restaurant to Another World

There is a certain restaurant in the first basement level of a multi-tenant building in one corner of a shopping street near the office district. The historical restaurant, marked by a sign with a picture of a cat, is called "Western Cuisine Nekoya." This restaurant looks completely normal through the week, but on Saturdays, it opens in secret exclusively to some very unique guests. During these hours, doors in various areas of a parallel world open to allow customers of many different races and cultures into the restaurant.

I'll Become a Villainess Who Goes Down in History

I'll Become a Villainess Who Goes Down in History

This young girl hates all those goodie-two-shoes heroines. So when she’s reincarnated as Alicia, the villain in her favorite fantasy dating sim, it’s like a dream come true! There’s just one problem: the more she tries to be evil, the more the prince seems to fall for her. Alicia will have to work much harder if she ever wants to become the world’s greatest villainess.

KADO: The Right Answer

KADO: The Right Answer

Kōjiro Shindō is a highly-skilled negotiator working for the Ministry of Foreign Affairs. As his plane at Haneda airport prepares to take off, a huge mysterious cube appears from the sky. 'It' expands rapidly, and absorbs the passenger plane and its 252 passengers. The cube's name is "Kado". A strange being called Yaha-kui zaShunina appears from within Kado and tries to make contact with humanity. Shindō, who was been absorbed by Kado, ends up taking on the role of mediator between Yaha-kui zaShunina and humanity. The Japanese government sends its own negotiator, Saraka Tsukai.

The Gorilla God's Go-To Girl

The Gorilla God's Go-To Girl

Sophia Reeler, a timid noble, received the Gorilla God’s blessing—the ultimate combat power. Now her dream of a peaceful student life is shattered as the royal knights recruit her unrivaled strength. Juggling school, the knight life, and her overwhelming power, Sophia learns the hard way that gorilla strength isn’t so simple.

Sleepy Princess in the Demon Castle

Sleepy Princess in the Demon Castle

Syalis is a princess. A really cute one. When she gets kidnapped by the Demon King as a hostage, she's stuck in a castle full of demons, waiting to be rescued by her knight in shining armor. So what does she do? What any of us would. Take a nap—on a pillow she fashioned from her Teddy Demon guards. Duh.

SSSS.DYNAZENON

SSSS.DYNAZENON

Sequel to the 2018 animated series SSSS.Gridman and the third installment of the Gridman multimedia franchise. When Yomogi Asanaka, a first-year student at Fujiyokidai High School, meets Gauma, he claims to be a "kaiju user." But the appearance of a kaiju followed by the entry of the gigantic robot, Dynazenon, backs up his mysterious words. After ending up in the wrong place at the wrong time; they get dragged into the desperate fight against the kaiju!

11eyes

11eyes

Satsuki Kakeru lost his sister by suicide and has been living a dull life ever since then. One day, he is transported into a bizarre world "Red Night" along with his friend Minase Yuka. In order to survive and escape from Red Night, he fights against Dark Spirits (Ralva) and Black Nights.

Peach Boy Riverside

Peach Boy Riverside

"This is a tale that took place long ago. There once lived an old man and an old woman. The old man went into the woods to cut down some grass and the old woman went to the river to... (You know the rest.) The ogres had finally been defeated, but apparently, there were more ogres living elsewhere, so Peach Boy crossed the sea... It was an amazing feat to defeat the ogres and a joyous feat that Peach Boy saved many lives. But the one thing that went wrong... Was that they had fun. This is nothing more than a "What if"... What if there was more than one peach that tumbled down the river?

In Another World with My Smartphone

In Another World with My Smartphone

Touya Mochizuki was accidentally killed, and as an apology, God allows him to be reborn in a fantasy world and will grant him any one wish he desires. And so, Touya chooses to keep his smartphone in the next world. In his second chance at life, he befriends many important figures and comes across the world's secret. He inherits the legacy of an ancient civilization and travels around nonchalantly while possessing powers that rival this world's kings.

BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.

BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.

Kaede Honjou is invited by her friend Risa Shiramine to play a virtual reality MMO game with her. While Kaede doesn't dislike games, what she really, truly dislikes is being in pain. She creates a character named Maple, and decides to put all her points in VIT to minimize pain. As a result, she moves slowly, can't use magic, and even a rabbit can get the best of her. But as it turns out, she acquires a skill known as "Absolute Defense" as a result of her pumping points into VIT, as well as a "Counter Skill" that works against special moves. Now, with her ability to nullify all damage, she goes on adventures.

The 8th Son? Are You Kidding Me?

The 8th Son? Are You Kidding Me?

Ichinomiya Shingo, an everyday twenty-five-year-old office worker, wakes up as Wendelin, the 8th son of an impoverished noble family out in the sticks. He soon despairs at his lack of succession rights and knowledge to navigate the political world, but finds hope in his aptitude for magic. This is the story of that young man earning his keep and his freedom through magic, with no world saving involved, and spending quite a while escaping his solitude. Ultimately, it is also the story of him being unable to escape the shackles of society.

K-ON!

K-ON!

Yui Hirasawa has no clue which club to join, but she’s determined to do something this year. As luck would have it, she discovers a flyer for the Light Music Club and decides this is the club for her. But there's one problem: She first must learn guitar!

The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, Became Invincible

The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, Became Invincible

Normally, people choose to become adventurers in their teens. At 30 years old, Rick Gladiator bucks the trend by leaving his job as a guild clerk to become an adventurer. He begins as a novice F-rank with the fighting strength of an S-rank. After two years of brutal training with the continent’s strongest party, Orichalcum Fist, Rick will defeat anyone who underestimates him!

From Old Country Bumpkin to Master Swordsman

From Old Country Bumpkin to Master Swordsman

Beryl Gardenant, a middle-aged swordsman running a dojo in the backwaters, lives a quiet life, until Allucia, former student and Commander of the Royal Order of Knights, appears! Beryl’s life is about to change dramatically! City life. Old students. New friends and formidable foes. It’s all too much. But after years of training, he has mad skills, and he’s been dubbed “the backwater swordmaster.”

Fruits Basket

Fruits Basket

After a family tragedy turns her life upside down, 16-year-old high school student Tohru Honda takes matters into her own hands and moves out… into a tent! Unfortunately for her, she pitches her new home on private land belonging to the mysterious Soma clan, and it isn't long before the owners discover her secret. But, as Tohru quickly finds out when the family offers to take her in, the Somas have a secret of their own—when hugged by the opposite sex, they turn into the animals of the Chinese Zodiac!

Battle Game in 5 Seconds

Battle Game in 5 Seconds

It was just a usual morning. Akira Shiroyanagi, a high schooler who loves games and Konpeito (Japanese sweets), has suddenly been dragged into a battlefield by a mysterious girl who calls herself Mion. The participants are told that they are "erased from the family register, involved in an experiment, and gained certain powers." Akira is determined to win the game with his newfound powers and destroy the organization. Armed with a power no one expects and his "brain" skills, the new period of intelligence battle begins!

Infinite Stratos

Infinite Stratos

Girls from all over the world gather at IS Academy to learn how to become IS pilots. However, since Ichika can somehow pilot the IS even though he is male, he was forced to attend IS Academy as the only male in this school.

Dark Fate

Dark Fate

Mariana de la Noche is a Mexican telenovela from 2003. Written by Delia Fiallo and produced by Salvador Mejia, it starred Angélica Rivera, Jorge Salinas, Alejandra Barros and César Évora.