The daughter-in-law, Nina, is under pressure to give birth to her grandchild yet. One day, at the suggestion of my father-in-law, I decided to go on a hot spring trip with my family. However, his mother-in-law orders him to abstain from sex for a month before the trip in order to make a child. On the day of the trip, Nina's husband refuses to have sex with her. On the other hand, the father-in-law also tries to hold his wife, but he refuses. The two who had too much sexual desire headed to the hot springs to calm their bodies. And the father-in-law who happened to witness Nina bathing...
