Mio and her beloved son are going on a trip together for the first time since their relationship. - They were both excited to be able to love each other without hesitation. - After arriving at the inn, the two immediately headed to the hot springs and confirmed their love for each other in the family bath. - However, there was a man watching the two of them. - The man secretly filmed their actions and spoke to Yumi when she was alone. - When Yumi is shown the photo, she gets upset and ends up doing oral service as the man tells her to do. - That night, even though she had a delicious meal in front of her and made love to her son, she couldn't enjoy herself because she couldn't get the thought of the man's threat out of her mind. - The next day, when the man called her out, he forced her to masturbate in front of his subordinates, and in the end, the two of them ended up making fun of him. - Yumi is forced to reach climax over and over again due to the endless pleasure attack, and the cloudy liquid is poured out...