When Kanzaki receives a letter from Mari Setogaya asking to satisfy of their faculty’s PE storage room through the lunch break, he believes he might be receiving a love confession. He turns up eagerly, solely to be attacked by his supposed admirer. The attractive lady tries to knock him unconscious, however when she fails miserably, she explains that she is a vampire and had needed to feed on him. Feeling pity for her hopeless state, Kanzaki reluctantly yields and permits her to drink his blood.
Because it seems, Mari can’t stand the style of uncooked blood however will perish with out the vitamins it accommodates. Kanzaki is fast to discover a resolution, providing her a unique bodily fluid to eat—and Setogaya immediately falls head over heels with this new taste. The 2 quickly begin assembly commonly, and as time goes by, their relationship evolves into one thing extra than simply informal “meals” spent collectively.