Hana to Junketsu

In a world where mankind and vampires live side-by-side, Yayoi can't ignore his feelings for his classmate, Chitose. Chitose is a pure-blooded vampire. Those feelings soon turn to action as the vampire makes it perfectly clear he sees right through Yayoi.Chitose insists that all they're doing is feeding, but the slow, gentle touch of his tongue, the care with which his fangs pierce Yayoi's skin and the warmth of his embrace suggest otherwise...

(Source: Media Do International/Printemps Publishing)

Included one-shot: Noraneko Kakka no Utsukushii Hito (His Excellency Stray's Beautiful Human)