It's been several years since he fell off the rails of life. Sasaki lost at pachinko again today. In an attempt to relieve the stress of his unsuccessful life, he stretches himself and calls a married woman delivery health girl... The delivery health girl recommended to him is a big hit, sexy and service-minded! However, perhaps because he felt refreshed and his mind became clearer, he realizes the true identity of the delivery health girl. Her true identity is his hated homeroom teacher who abandoned him when he was a notorious bad boy. Bitter memories come back to him and anger wells up inside him... He decides to take revenge on this once-in-a-lifetime opportunity given to him by God!