With her husband away from home, Misato has a lot of sexual desire. She finds out that her son's friend Kosuke, who just happened to be visiting, has a strong cock... She thought she'd just have some fun to relieve stress, but he had a dick that didn't stop after one or two times, and she ended up getting fucked until the morning without a break! Kosuke ejaculates continuously every day, and Misato has experienced countless orgasms. The seemingly endless chain of pleasure finally makes her body give out...