I had a crush on a girl in my class, but I was a virgin, had premature ejaculation, and was uncircumcised, so I couldn't confess my feelings. My tutor, Rio-sensei, couldn't bear to see me like that, so she decided to put my studies aside to help me improve my premature ejaculation! But... her amazing blowjob technique made me ejaculate more than anything! I couldn't stop! What's more, it was supposed to be just a blowjob, but it escalated more and more! A high-speed vacuum piston blowjob! A sticky licking blowjob! A PtoM relay from pussy to dick! Teacher? Don't you just want to suck?