Washio Mei was supposed to give a serious lecture in an 'unbelievably see-through outfit'?! But...her L-cup breasts were visible through the fabric! They were touching me! Teacher! I couldn't concentrate at all!! She taught me yoga, gym, tennis, manners classes, and even gave me a titjob to get my dick bulging... She pretended to be teaching seriously, but in reality she was a little devilish seduction?! Using her L-cup breasts as a pretext for the lecture, the instruction gradually shifted to my dick...everything was see-through, it was unbelievable?! Her abnormally visible, natural huge breasts and her outrageously erotic, violent outfit! She'll even teach you how good your dick feels! The intimate private lesson in a closed room transformed into a hardcore slutty play session, and before I knew it I was thoroughly fucked and had become a full member...