Yume-senpai found out about my erotic knowledge, which is nicknamed AV Doctor... - Yume-senpai doesn't want her new boyfriend to think she's bad at sex, so she wants to practice sex. - ``I'm going to experiment with you, so if it feels good, just tell me!'' ``How many times do you squirt?'' ``Does it feel better if you make noise and lick it?'' ``Why are you letting it inside me without permission? - !My penis can't keep up with my senior who is getting more and more skillful and erotic...