Ryo Katsuji

It's three years after the events of the original Battle Royale, and Shuya Nanahara is now an internationally-known terrorist determined to bring down the government. His terrorist group, Wild Seven, stages an attack that levels several buildings in Tokyo on Christmas Day, killing 8000 people. In order for the government to study the benefits of "teamwork", the new students work in pairs, with their collars electronically linked so that if one of them is killed, the other dies as well. They must kill Nanahara in three days - or die.

Tetsuko "Alice" Arisugawa has just moved to a new house with her recently divorced mother and enrolled at a school where a strange rumor lingers among the students about "Judas," who is said to have been murdered over a year before. She is told that if anybody knows his fate it would be Hana Arai, the recluse in the house next door who has been unable to bring herself to attend class since "Judas" disappeared.

Charts the troubled teenage years of students Yūichi Hasumi and Shūsuke Hoshino, exploring the shifting and complex power dynamics of their relationship against the backdrop of Yūichi's love for the dreamy and abstract music of fictional pop star Lily Chou-Chou.