Five slutty girls play a game of voice endurance with a virgin boy! Fulfill the virgin boy's erotic desires, and if he doesn't make a sound even when he feels it, he wins 1 million yen! The second round has a time limit of 15 minutes! However, the virgin boy's true identity is a man with superb technique and virility! The slutty girls respond to requests such as kissing and breast massage, and are shocked by how good they are! Fingering! Cunnilingus! Toy play! It feels so good that they can't stop! The slutty girls forget about the game and insert a dick! They cum over and over again from the virile dick!