Hara Chuchu!! ~Kameba Ano Ko mo H na Tenshi v. Final by Swaneye eng

One day, Taisuke finds a book in his room and opens it without knowing the secret. What appears from inside is a vampire girl!? He is sucked in by her..., and his life changes 180 degrees. "People who are sucked in by vampires can't control their libido and they keep asking for sex." Let's make your friends vampires, make them sexually excited, and have sex!