My wife's parents invited us on a two-day, one-night trip to a hot spring. My wife and mother-in-law seemed to enjoy their first trip in a long time, but to be honest, I was feeling a bit down. This was a "baby-making trip" for my father-in-law, who was expecting a grandchild... I wanted to have sex with my wife, but she was so obsessed with the hot spring resort that I had to abstain from sex for a month, which left me in a state of turmoil. As I was wandering around the resort, I happened to see Yuka-san having a seductive bath...