Kotaro

An illegal biological weapon K-55 is stolen from a university lab. The university lab can't even call the police because the secret nature of the weapon. The school lab then receives a message stating that the entire country is now being held hostage and they must pay a ransom of 300 million yen.

Burn all your heart fire. Two samurai in the wilderness. A small group belonging to the Ichienkai, the Kagawa group. Shuichi Kagawa, the son of the group leader, is released after a long sentence. He officially inherited the traces of the Kagawa group. Yoshiro is surprised to meet Shuichi, who has been in prison for a long time as a thought criminal. He was a junior who fought the student activism with Yoshiro. Around that time, there was information that Hitman, a well-known person in Kansai, had infiltrated the neighborhood. Jin instructs Kumosuke to look around. However?!