Yoshihara Akito had no particular goal and just managed to manage his daily life. One day, he happened to meet Ishikawa Eriko, who had a secret feeling in high school. Akito decides to make a plan when he sees Eriko, who rejects all the past, "memories that he wants to change" and "memories that he wants to erase" that are revived by the reunion. To settle the abominable past for the two in high school.