Kotoura Haruka is a 15-year-old girl who can read people's minds. She has been suffering from troubles caused by her mind-reading ability, and her parents got divorced as a result. She moves to a new high school but tries to keep away from her classmates. Manabe Yoshihisa, one of her classmates, accepts and appreciates her ability and she begins to interact with her friends with his help. Together, they join their school's ESP Research Club.

Kotoura-san is a 4-koma manga series written by Enogizu. The series began serialization in Micro Magazine's Manga Goccha magazine from October 14, 2010. A television anime adaptation by AIC Classic began airing in January 2013.