It is time for the All-Star games, and Super Rabbit Boy wants to be crowned the Ultimate All-Star Champion, but with so many contestants, including the evil King Viking, he will need help from Sunny and his video game console to claim his prize.

In the near future, the Japanese government creates an annual battle royale in which a group of ninth-graders are sent to a remote, deserted island and given three days to kill each other until only one remains.