This film is a love story centered around the clumsy yet earnest first love of shy high school boy Miyamine and Kei, a popular girl in his class. Several unfortunate events become intertwined with the suspicious death of a classmate, a suicide attempt, and frightening suspicions about a lover. (Source: Japanese = natalie.mu || Translation = MyDramaList) ~~ Adapted from the novel "Koi ni Itaru Yamai" (恋に至る病) by Shasendo Yuki (斜線堂有紀).