Shizuka Kominami is a timid university student who, despite her reserved nature, goes to a campus social event. There she encounters Ryou Kirishima, an attractive and self‑assured woman whom she quickly becomes friends with. After departing the gathering together, they spend the evening chatting and sipping drinks. However, when a tipsy Shizuka finds herself at Ryou"s flat, events spiral and she is drawn into a seductive encounter with her new companion. To add to the surprise, Ryou turns out to be a man who crossdresses.
Following an intense night, Shizuka wakes to a note from Ryou promising further intimate adventures. What path will their new bond take?