Onigashima Hikaru

"No way. Why do I have to do something so stupid?"

Selfish, Moody, Monophobic

The heroine's twin brother. Following the customs of his family, he was enrolled in Shishiku Academy but upon learning of the existence of his twin sister he swapped places with her. In exchange, he entered an all-girls school as his younger sister. He enjoys his life of wearing female clothing and being a female high school student.