The scorching temperate high pressure that covered the archipelago continued to give sweltering heat without exception to a certain village in the Tohoku region where the Tokine family resided. Fatherless family. Tomori Tokine, a beautiful and chaste mountain village mother, was working on her daily routine, wiping and cleaning the porch that day. My son Masaru approached me from behind. A son with an introverted personality. I had been absent from school for about half a year. Slowly, my son rubbed my breast from behind while I was cleaning. No good, Masaru-chan... My son continued to massage regardless of his mother who hurriedly admonished him.