Gia sư đưa tôi đến cực khoái sau giờ học

I've been trying to please my tutor for a long time and hinted that I don't mind sex, but he's an adult man and I thought he didn't like me, but one day I asked him directly to fuck me and now after every lesson he brings me to orgasm if I study well. He says I'm a capable girl and when I graduate from college he'll still bring me to orgasm