I am going to work as a housekeeper in a house where a father and son live together. According to his father, his mother passed away half a year ago, and his son Keisuke became a hikikomori without going to school. "I'll do something to get Keisuke back on his feet!" I said, but what should I do? Come to think of it, Keisuke-kun seems to have loved his mother's breasts when he was a child...