Shizuka, a shy young woman, attends a mixer where she feels out of place and meets the stunning Ryou Kirishima. The two quickly bond, but after Shizuka spends the night at Ryou's home, she is shocked to discover that the beautiful woman is actually a man. Following a forced intimate encounter, Shizuka wakes up to a cryptic note from Ryou, signaling that their relationship has only just begun.