Yandere Vampire's Obsessive Love Confinement x Contract Sex

Yui is a girl who grew up with no family. No matter where she goes, she welt like she didn't belong anywhere and held a feeling of loneliness. The only thing she found comfort in was the rose garden near the institute she lives at. But when Yui spent her time at the rose garden as usual, a beautiful man appears in front of her and suddenly kissed her. "I've found you" He whispered, and immediately bit Yui in her neck... This is the story of a lonely girl who get's entangled and completely surrounded by the obsession of a beautiful vampire and falls. "It seems you still like roses as much as always. That make me happy." ......... I don't know anything about him, but he does know me