In the future, the Japanese government captures a class of ninth-grade students and forces them to kill each other under the revolutionary “Battle Royale” act.

An exceptional marksman and hopeless playboy, private eye Ryo Saeba reluctantly forms an alliance with his late partner’s sister to investigate his death.

Kenshin Himura goes up against a mysterious weapons dealer named Enishi Yukishiro. He controls the underworld of China. The secret of Kenshin Himura’s “Jujishou” is also revealed.