Genres: drama, romance
Themes: high school, school life, suicide, time travel, tragedy, unrequited love
Objectionable content: Mild
Plot Summary: Naho Takamiya is a timid 16-year-old girl. One day, she receives a letter from her future self detailing actions she must take to prevent Kakeru Naruse, the new transfer student, from sinking into depression and taking his own life.
Number of Episodes: 13