I Won't Let Mistress Suck My Blood Vol. 1 (manga)

While on the hunt for a new job and a place to stay, Matilda is pretty sure she hit the jackpot when she winds up in a large mansion known as the “Haunted House.” Not only does she have work, room, and board, but her new boss is absolutely gorgeous! August, owner of the spooky mansion, is a beautiful, soft-spoken woman who captured Matilda’s heart from the moment they met. But on her first night there, Matilda learns there’s much more to August than she could have ever imagined!