Leizen, a young succubus, has grown up as a demon her whole life. Little does she know that she has two fathers a human and the demon king, Lucifer. She grew up with her mother till she well almost killed her. So now she's stuck with Lucifer. Leizen doesn't realize how bad it is to be around him though until it's too late... will she be able to endure the damage that is done to her or will she break against her own will?