A lolimaid is sucked blood while being punished by her vampire master... -In a mansion where non-humans live, a girl serves vampires- Without receiving a proper education, she was beaten by her father every day. She finds a chance and runs away with her body full of injuries, but she runs out of strength. However, her life was saved by one vampire, "Cagalli". By receiving her kindness, the girl "Kasumi" decided to serve as a maid. However, she can't do what Cagalli tells her to do, and she is sexually punished every day, and her blood is sucked. -Her blood sucking is accompanied by pleasure- The girl spends her days enduring the pleasure and shame she is forced to give... "Why did Kagari-sama save me...?