The protagonist transferred into a boarding school, sharing a room with a boy who was in his grade. His roommate was the son of a famous Kabuki actor and also performs as a promising onnagata (female-role actor). However, he found out his secret by accident: he was actually a girl.

From that moment on, their relationship changed completely. However, he was not the type to take advantage of such a situation, but instead he wanted to help protect her secret.
Source: Hau~ Omochikaeri~!