When Tatsuya got home, his mother Tsubasa was dancing. Apparently she had heard on TV that it was effective for losing weight, so she decided to give it a try. It was embarrassing for her age... Tatsuya snorted at her desperate appearance, but he was captivated by his mother's breasts swaying to the rhythm and her buttocks spilling out of her leotard. Then Tsubasa's sensual hip movements soon blew away Tatsuya's reason... Suddenly, Tsubasa was able to do nothing as her son pounced on her like a wild beast...