Kohei Hasekura is a sophomore who transfers into a prestigious public school in the style of an English six-year school encompassing junior-high and high school students. The school, named Shuchikan Academy, is on an island named Tamatsu Island off-shore from mainland Japan, and the only way to get there is by boat.
but under the peaceful surface, this prestigious academy holds a dark secret. some of it's sudents are Vampires! and Kouhei will get dragged deeper, and deeper into the mystery of the school and the girls that attend.