
The story takes place over a 24 hour period. In the southernmost part of Japan, 20 fishing boats of an unknown nationality suddenly fire upon and occupy parts of the Hateruma archipelago. Members of the Japan Coast Guard are detained. Under the extremely tense situation, the Japanese government sends Aircraft Carrier Ibuki and an escort fleet to the area. Ryota Akitsu is the captain of the Aircraft Carrier Ibuki and Toshiya Niinami is second-in-command. It is now 6:23 am. and Japan faces one day which they never have before.
Ryota Akitsu, Captain of Ibuki

Yuko Honda, (Net News P-Panel reporter

Prime Minister Keiichiro Tarumizu

Toshiya Niinami, Second-in Chief of Ibuki

Kazuhisa Nakane, Senior Officer of Ibuki

Commander Tsugeharu Yui

Commander Shin Fuchigami

Yohei Sakomizu, Captain of Albatross

Nariaki Seto, Captain of Hatsuyuki

Kazuma Todo, Senior Director of Yuko Honda

Veteran reporter Shunichi Tanaka

Keiichi Nakano, convenience store manager

Keiji Wakui

Shiori Moriyama, part-time clerk at a convenience store

Masanao Katsuragi

Toshimichi Ishiwatari, Chief Cabinet Secretary

Sosuke Shiroyama, Minister for Foreign Affairs

Masato Kakinuma, Pilot of Albatross

Urata Tetsuto, Captain of Ashita

Shuzo Yamamoto

Mitsuhiko Arisawa