Momoka has a boyfriend, and he's a virgin—she's still a virgin too, making theirs a pure and innocent relationship. His caresses are gentle but a bit clumsy, so this time she carefully brought him pleasure using a vibrator. Surprised by the first-time use of the vibrator, her arousal built so intensely that she accidentally peed herself. Soaked and overwhelmed, words slipped out unconsciously: "Tokyo is amazing," a phrase that left her breathless with shock.