A dissatisfied housewife named "Mio," who depends on her college student lover despite being married, finds herself torn apart when he announces his upcoming graduation and move away. As they struggle with their feelings about breaking up, something unexpected happens - their hearts and bodies switch places! From that day forward, they embark on a passionate sexual encounter filled with forbidden pleasure and intimacy... Surrendering completely to each other's touch, they drown in their own world of lust and carnal desires, losing themselves deeper and deeper into the unknown ecstasy...

モラハラ旦那に嫌気が差し大学生の浮気相手にべったりと依存している人妻「みお」。しかし、就職と引っ越しが決まり別れを告げてきた浮気相手に気が動転し、別れたくない…ともみ合っていると突然心と身体が入れ替わってしまう。その日から始まる男女交姦性交…！二人だけの世界と未知の快楽に溺れ、二人はただ堕ちていく…。