Fortune Arterial: Red Promise - S01

Fortune Arterial's story follows Kohei Hasekura, a male protagonist who transfers into a prestigious public school modeled after an English six-year school that combines junior-high and high school students. The school sits on Tamatsu Island, off the coast of mainland Japan, and the only way to reach it is by boat. Soon after transferring, he discovers that a student in the class next door to his, Sendo Erika, is in fact a type of vampire.