Sonezaki, an elderly man, sees a beautiful woman named Eri on the train. When he saves her from a groper, the stone on her bracelet glows and she suddenly transforms into a slut. This leads Sonezaki to start living with Eri.
A young, passionate police officer, Kamiyoshi, who was ordered to be the "Banquet Manager" of the prefectural police, has his second bag, which contains receipts that are evidence of police corruption, stolen by a perverted woman, Lisa, on a crowded train. However, Lisa also has her prey stolen by...
