Based on a delinquent battle-themed video game series - a high school senior named Takashi the toughest fighter at Rashin High School. When he travels to Tokyo during a class field trip, he’s almost immediately attacked by a local thug. Takashi dispatches his opponent with ease, but he soon discovers gang leaders from all over Japan have gathered for a massive battle to determine who the toughest badass fighter is. During battle scenes, various recognizable fight moves from the game are incorporated for comic relief.

A woman named Kazuko (Kimura) who was guilty of a “serious crime” in the past, along with three of her friends. Those friends suddenly begin to die one by one. Kazuko learns that one of those deaths is somehow connected to Mamoru (Nakamura Aoi), her younger brother from whom she has been separated ever since their father disappeared 15 years earlier. Although Mamoru knows nothing of his sister, Kazuko is determined to find the killer in order to protect Mamoru and herself.

Haruka (Manami Higa) and Kosuke (Seiji Fukushi) are lovers and plan to marry. Haruka works as a nurse and Kosuke is a champion ski jumper. Kosuke is then selected as a member Olympic national team, but Kosuke is involved in a devastating accident while training. Haruka hears the news from Kosuke's mother and rushes to the hospital. Kosuke is now unable to move and has lost his memory. Kosuke is even unable to recognize Haruka. Nevertheless, Haruka is always by Kosuke's side as he goes through therapy. Finally, Kosuke is able to live normally and even regains his memory, but Haruka soon becomes devastated again...