One day, my only son, Yuta, came home crying. I was worried and asked him why, and he told me that he had been dumped by the girl he liked... I felt relieved, as I thought it was too early for a relationship to happen, but I couldn't bear to see my precious son sad, so I hugged him gently and comforted him, saying, "I'll be your girlfriend until you find another girl you like." Then, my son buried his face in my chest, his breathing became heavy, and he asked me for my body, saying, "You can do naughty things with me as my girlfriend, right?"...