Kei, a high-school student, endures daily bullying without any help from his classmates. Eventually, he caves under the endless humiliation and accepts a strange request from his childhood friend Akira - committing suicide together to end their nightmare. Tragically, Kei is the only one who survives that day.
Months pass, and Kei stumbles upon a website devoted to street fighting. He is astounded to see videos of a nearly unrecognizable Akira crushing his opponents. Kei is determined to learn what really happened to Akira, and his only path to the truth is registering on the site and fighting his way to uncover the real story.
