Naho Takamiya is a 2nd year high school student. During the spring, Naho Takamiya receives a letter sent by herself from 10 years in the future. In the letter, she liked transfer student Kakeru Naruse. Kakeru Naruse carried emotional scars from his mother’s suicide and he died one year later. 26-years-old Naho Takamiya thinks about Kakeru Naruse often. 2nd year high school student Naho Takamiya, with the knowledge of what she feels 10 years in the future, takes action to change her future.

On July 27th, university student Aoi Hinata (Miwa) has an accident. When she wakes up, Aoi Hinata finds herself in a classroom from one week before the accident. At that time, her childhood friend Riku Hasegawa (Kentaro Sakaguchi) tells her “I will tell you a secret. I can turn back time.” Aoi Hinata and Riku Hasegawa like each other, but never expressed their feelings. They share their feelings for each other and go back to one year earlier. They spend their time happily as girlfriend and boyfriend, but there is a big secret behind the time slip. In addition, July 27 is approaching.

Hibiki Shimada, a normal 17-year-old high school student, still does not know how to fall in love—although surrounded by love “experts”—until one day she realizes that she’s fallen in love with her hot and nice 26-year-old teacher, Itou. She then takes a path to make her teacher understand how she feels for him.

Dora (Ryo Ryusei) and associates runs a badger game scheme to extort victims out of money. One day though, their target looks like an ordinary guy, but he turns out to be a yakuza. Dora and his associates fall into a far darker world. Dora steps into a business that offers to take revenge on others by any means necessary.