El Príncipe Demonio de la Residencia Momochi

Momochi Himari after being an orphan inherited a house out of nowhere. She decided to occupy that house despite the warnings she received. According to the folks, the House of Momochi is haunted. There she met three guys who live in the house, Aoi, Yukari, and Ise. Then she discovered something unusual about them. What will happen to Himari's peaceful life when she decided to stay there?