[Erotic IQ is too high! Science girl Miyu's first blowjob] A tutor who is curious about sex loves to study penises! Outstanding students are rewarded with a lick and a dick! "Do you know how to clear your brain?" she asks, taking off his pants and licking his dick. Then she stares at him with a grin and swallows him. The final blow is a rolling suction that will definitely make him cum! Then she gathers everyone together for a dick-sucking party! Continuous ejaculation and a rush of sloppy facials... and then a follow-up cleanup! Balls are empty!