Challenging a project called the "Exactly 3-Minute 1 Million Yen Game," we picked up a female student and invited her to participate in a game where she's restrained while a vibrator is applied to her pussy for exactly three minutes. At first, she felt slightly ticklish, but as time passed, her pleasure intensified, and she began grinding her hips on her own. Her sensitivity was outstanding—watching this flat-chested A-cup student fully enjoy herself was absolutely packed with highlights!