The story takes place many years in the future where the game "Rhyme," a virtual fighting game, is incredibly popular and people possess "AllMates," convenient AI computers. Aoba leads an ordinary life, working at a junk shop and living with his grandmother on the island of Midorijima. Unlike his friends, he doesn't participate in Rhyme, nor does he belong in a gang. However, when rumors of people disappearing spread, Aoba finds himself needing to unravel the mysteries behind the island in order to protect his everyday life.

The story takes place many years in the future where the game "Rhyme," a virtual fighting game, is incredibly popular and people possess "AllMates," convenient AI computers. Aoba leads an ordinary life, working at a junk shop and living with his grandmother on the island of Midorijima. Unlike his friends, he doesn't participate in Rhyme, nor does he belong in a gang. However, when rumors of people disappearing spread, Aoba finds himself needing to unravel the mysteries behind the island in order to protect his everyday life.