"Because I was asked by my sister to take care of her two nephews…" The nephews, Yuji and Tatsuya, who came to stay at their aunt Yonaka's house, sneak into her futon after she falls asleep and carry out a perverted scheme. Sandwiched from both sides and having both nipples licked, Yonaka can't escape and eventually experiences an unprecedented double pleasure, becoming aroused and awakened. Her lecherous true self is revealed!
