The Wallflower(2006)

Yamato Nadeshiko Shichi Henge♥

Takano Kyohei, Oda Takenaga, Toyama Yukinojo, and Morii Ranmaru are going to rent a house to go to school for free on the condition that they make the girl of the house a "lady". However, Nakahara Sunako, the girl living there, is gloomy, weird, and horror movie maniac. She has a trauma of when she was told she was ugly by the boy whom she loved when she was in junior high school. She doesn't like beautiful things and gets a nosebleed when she looks at something beautiful.

(Source: AnimeNfo)