Asahi Kuromine

Resumen

He is a second-year high school student who has trouble keeping secrets, earning him the nickname of "ana no aita zaru" (A bag full of holes), or "anazaru" for short. One day, he discovers that his crush, [Youko Shiragami](https://anilist.co/character/89018/Shiragami-Youko), is secretly a vampire and, as a result, must try to keep her secret to avoid her having to leave school.