My daughter, who is attending junior college, came home with her boyfriend Takuya. The chaste and beautiful mother greeted the young visitor with a smile full of kindness. Joyful laughter can be heard from my daughter's room. My mother thought it was a treat for the two of them, so she put tea and cookies on a tray and headed to her room. However, I stopped in front of the room because I felt uncomfortable. I was somewhat reluctant, but when I gently looked into the room, my daughter's boyfriend's young and bing-bing, full-erect big jumped into the field of view of my mother, who was in the prime of her life ...!