● Pregnant during school days. I ran off the opposition of my parents ... And the husband who evaporated leaving his little son Taichi. After that, I desperately raised Taichi with just one woman. One day, my part-time boss invited me to a hot spring trip. I decided to go on my first trip with my parents, hoping that it would be an opportunity to take out my son Taichi, who was a little withdrawn. However, on this trip, I came into contact with the desires of various men and learned the true feelings of my son. An immoral journey that takes place in a hot spring inn. Taichi. Don't you regret your mom? Rather, it may be the happiest I've ever had ...