My son, Ryuichi, who started working in the spring, took me on a trip to the hot springs. As an only son, I was very happy and delighted to see my son's first filial piety, which I doted on so much that it didn't hurt to see it, but I didn't know that this trip would change the relationship between parent and child. I had no idea. It was the first time in a long time that my mother and son took a bath together and had their bodies washed. My son's hand gradually began to grope my chest and lower part ....