Nise Kioku Soushitsu no Hachiyo-san

Class representative Marui, an ordinary high school boy, finds Hachiyo face-down by a river bed. Even though Hachiyo was regarded as the school’s strongest delinquent, Marui secretly has a crush on her. However, when Hachiyo wakes up, she suddenly can’t remember anything about herself?

Note: Includes one bonus chapter.