Mio and her beloved son went on a trip together for the first time since they became a couple. They were excited to be able to make love to each other without any hesitation. When they arrived at the inn, they immediately went to the hot spring and confirmed their love in the family bath. However, there was a man watching the two of them. The man secretly filmed the two of them and spoke to Yumi when she was alone. When Yumi was shown the photo, she became upset and performed oral sex service as the man told her to. That night, even though she had a delicious meal in front of her and was making love to her son, she could not enjoy it because she could not get the man's threats out of her head. The next day, the man called her out and forced her to masturbate in front of his subordinates, and in the end, the two of them tormented her. Yumi was brought to climax again and again by the never-ending pleasure attack and was filled with milky liquid...