Haruna Nagashima devoted herself to softball while in middle school. Now that she's in high school, Haruna believes it's time find a boyfriend. Unfortunately for Haruna, she never paid much attention to trends and is now clueless about how to attract a boy. Through a fortuitous event, she encounters popular upperclassman, Yoh Komiyama. Haruna asks Yoh to teach her how to become attractive to boys, and he agrees, but there's a catch. She can't fall in love with him.

Blessed with good looks, Takano Kyohei, a college student, is always suffering from the unreasonable behavior of customers who want him and the sexual harassment of his store manager. Because of his hot temper, he loses his head on this occasion and is fired from his part-time job. Then one day, the glamorous owner, Ms. Nakahara proposes, "I'll give you free board-and-lodging if you can turn my niece, Sunako, into a lady!" Kyohei and Toyama Yukinojo, Oda Takenaga and Morii Ranmaru, the other guys living together in the same boarding house, are enthusiastic, but the person who appears before the four of them is a spooky girl whose hair covers her face and who loves horror and vampires. And so, their tumultuous communal life begins.

Hibino Tsubaki is a young teenage girl with a talent for styling other people's hair. Yet, Tsubaki suffers from low self-esteem and isn't very comfortable styling her own hair. She also has a tendency to dress old-fashioned. She's teased at high school because of this.
One day, popular male student Tsubaki Kyota targets Tsubaki for teasing. Tsubaki Kyota holds sway over the entire classroom and is quite a playboy. Inexplicably they fall in love. Meanwhile, Tsubaki Kyota has commitment issues.

Satoru Fujinuma is an unpopular manga artist, who doesn't like having relationships with other people, although he also works part-time delivering pizzas. Satoru has the special ability of "revival", that allows him to go back in time before terrible incidents occurred and right whatever wrong occurred. He goes back continually until the incidents are prevented. 18 years ago, a serial murder case took place with the victims being children. Satoru, using the body of an elementary school student, travels to that time to catch the killer and to save his mother who faced the criminal

Naho Takamiya (Tao Tsuchiya) 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 (Kento Yamazaki). 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.