>Yukina says she wants to invite Darius to dinner, and her husband readily agrees. >When Darius arrives and they meet, Yukina immediately recognizes him as the man who had sex with her wife on the train. >While the family and Darius are chatting, Yukina, at Darius's command, has hidden a vibrator in her underwear. When Darius presses the switch, the vibrator vibrates, and Yukina, feeling it, accidentally spills water. Yukina moves to the kitchen, where Riko comes in and starts to tease Yukina's sensitive body...