Yura-kun no 10% ni wa Himitsu ga Aru

A classmate named Yura-kun is often seen as lazy. Kyouko suspects he might be a vampire, and her suspicions are correct. After learning she has a rare blood type, Yura-kun starts to pay her more attention. Kyouko wonders if his interest is genuine or if it's driven by his need for her blood. As Yura-kun moves at his own pace, Kyouko finds herself caught up in his actions.