After her husband went on a business trip, Reiko found herself without any nighttime activities. Unable to suppress her urges, she accidentally caught sight of her cohabiting son-in-law Tetsuya's massive cock... Seeing Tetsuya, who was sexless and lonely, masturbating, Reiko told herself, 'As his mother-in-law, I'll take responsibility and make him feel good,' and pushed him down while her daughter was asleep. From that day on, her long-suppressed sexual desires exploded, and she repeatedly played with his rock-hard, impressive cock...
