27 years have passed since the fight between Tokyo's Manji Gang and Tenjiku. Many deaths occurred that day... And a bloody story continued after this massacre on February 22nd.

over time, Toman was disbanded. Everyone lives their normal life. But slowly, your friends and founders of the Gang were killed in different ways, you just arrived from Mitsuya's wake, and sees keys with a letter on the living room table.

you asked yourself; fe who is the letter? The written name is.. Manjiro Sano