Onnanoko Tokidoki Otokonoko女の子ときどき男のこ; Onna no Ko Toki doki Otoko no Ko; Onna no Ko Tokidoki Otoko no Ko; Onnanoko Toki Doki Otokonoko; Girl Sometimes Boy

Yuusuke's childhood friend Akira is back as a beautiful girl, but something is not right. Despite the fact that Yuusuke doesn't remember much of Akira, he definitely knows Akira is a male.