Kazuki Horike

After his divorce and transferred to Osaka, the only thing Soga thinks about is getting through his day. One of the things that he takes great pleasure in is going to 26-year-old Sakae's restaurant and eating the delicious food he creates. However, he doesn't know that Sakae sees him more than just a frequent customer.

An unemployed man learns that his ex-girlfriend was murdered. He suddenly finds himself travelling through time to his middle school years and has chance to change the future and save the girl. He aims to rise to the top of the most brutal delinquent gang.