Shikeishuu, Mahou Gakkou nite Kyouben wo Furuu

Kanaki Taiga, who works at the Servaes Magic School, is a pleasure killer. Every day he enjoys his "hobby" and smiles at students who adore him. Everything is going well until he decides that a new student is his next target. With just that one thing, Kanaki's life begins to unravel... The worst kind of psychological horror that plays with life through magic!