Yorozen has become more mature than I imagined, and his erotic body is fully erect! Both of our parents are going on a trip, so the younger Yorozen comes to stay at our house and we stay home alone. The younger Yoruzen, who has been treating me like a younger sister, is so cute and super cool! However, the young man was innocent, not knowing that I was working hard... (Chuji Seiko version)