Unable to have children, we decided to go on a hot spring trip at the suggestion of our father-in-law to change our mood. But it doesn't work. When I was soaking in a private hot spring with the feeling that my husband and I were halfway through sex and worried about my future married life, my father-in-law, who was supposed to be sleeping, walked in. . "I thought he was still useless, but things turned out like this. I was forced to go away many times by my unfaithful father-in-law.