Takano Kyohei, Oda Takenaga, Toyama Yukinojo, and Morii Ranmaru rent a house so they can attend school for free, on the condition that they transform its resident, Nakahara Sunako, into a proper lady. Sunako is gloomy, eccentric, and obsessed with horror movies. She carries trauma from being told she was ugly by the boy she loved in junior high, and she dislikes beautiful things, even experiencing nosebleeds when she sees something beautiful.