One day, I overheard my girlfriend Yui complaining to my childhood friend Mio about how bad I was in bed… “He’s terrible at sex. It’s not satisfying at all…” Those words I shouldn’t have heard echoed in my head. “Damn it! I wanna get better at sex…” I was jerking off until my mind went blank when suddenly, Mio barged into my room. “Wanna learn?” “Learn what?” “How to make a girl feel good.” “What do you mean?” “I’m talking about How-To sex.” And just like that, despite my confusion, I ended up learning the ABCs of sex from Mio…