William hates and distrusts others, he lives by himself secluded from the outside world. A woman moves into the crummy apartment he lived in and his self consciousness brings him to kill himself. And then, Perhaps a gift of pity from God, he finds himself in his 13 year old body.

After his father and mother's death our protagonist Aiden Kasuga returns to his hometown in Kyoto,Japan to live with his Brother. Returning after 10 years he would soon meet the friends he lost and memories he forgot.But soon after going in to a chat room his school life is going to change.