An MSDF submarine collides with a U.S. nuclear submarine, crushing all 76 people on board, including its CO, Shiro Kaieda. However, the crew survives. The accident is a cover story to get the MSDF submarine's crew on board the Seabat, a nuclear submarine secretly built by the Japanese and U.S. governments. However, Kaieda loads the Seabat with nuclear missiles and suddenly mutinies and flees.
One year after the hospital occupation incident, Saburo Musashi (Sho Sakurai) of the Kanagawa Prefectural Police Investigation Division has another "worst day" ...! Kanagawa Prefecture's first international airport "Kanagawa New Airport" is suddenly occupied by an armed group wearing a beast mask!
Shiro Kaieda is appointed the captain of Japan's first nuclear submarine, jointly built by Japan and the United States in top secret. However, he and his 76 crew members go rogue in this story that delves into themes of nuclear war, international politics, and world peace.
A man forced to bear power and stripped of humanity. A woman skeptical of happiness. Takeshi Hongo, an Augmentation made by SHOCKER, and Ruriko Midorikawa, a rebel of the organization, escape while fighting off assassins. What’s justice? What’s evil? Will this violence end? Despite his power, Hongo tries to remain human. Along with freedom, Ruriko has regained a heart. What paths will they choose?
The story takes place in a certain high school. Masaki Nitta arrives as a new music teacher, but the school is greatly disturbed by the disappearance of the previous teacher. While playing the piano in the music room the night before work, Masaki meets Sae Izumi, a student who is running away from one issue. Sae is a student in the class in which he is an assistant teacher. The two of them, gradually develop a bond through the disappearance.
In this world, there exist demon swords. Those who have the sword will have their will taken over, and they will lust for human blood and keep on killing indiscriminately. The sealer is who searches for those blades that haunt people and seal them with his scabbard.
Seiichi Habu is a member of the mysterious outlaw group Avalanche. The group exists at a time when moral hazards run rampant among politicians, bureaucrats, businesses, and even among ordinary people.
At a prestigious high school in Tokyo, the third grade D class consists of high scoring students. Their previous homeroom teacher went crazy in a short period of time and quit their job. The students in third grade D class pushes their homeroom teachers to the edge and watches their teachers collapse mentally. The students view it as a game they enjoy playing. Tsuneo Yoshizawa appears in third grade D class as their new homeroom teacher. Tsuneo Yoshizawa keeps a smile on his face, even though he is attacked verbally and physically by the students. He never loses his smile. The students' behavior gets worse towards Tsuneo Yoshizawa and they concoct a plan to kill their teacher.
One day, Yuka Sekiguchi who is working at a real estate company, had to take over her grandmother's house and was asked to check for a hidden closet. Due to curiosity, she looked for it and found the hidden closet where she suddenly slips back in time to Edo clueless. She then meets Ukai Denzaburo, a policeman at Minamichi Police Station, who got her involved in an investigation of a murder and asked for her advice during the investigation due to his poor reasoning skills.