One day, I overheard my girlfriend Yui discussing with our childhood friend Rei that my sex skills were terrible... Sex is terrible. Not enjoyable at all... The words I shouldn't have heard echoed in my head, 'Damn it! I want to get better at sex...' I jerked off until my mind went blank, and then our childhood friend Rei suddenly entered the room, 'Should I teach you?' 'Teach me what?' 'How to make a girl feel good.' 'What do you mean?' 'I mean, How-To Sex.' And so, despite being confused, I ended up learning the basics of sex from Rei...
