Serious Maniac Illustrated Guide

A world of enthusiasts that reach those who have mastered their sexuality. Virginity loss, foreign objects insertion, pregnant woman raw creampie, SM, true oyakodon... alien eroticism performed by perverts who cannot satisfy normal sex. However, it is here that unseen pleasure lies still. A man gets even more excited when he sees a girl with an agonizing expression on her face as her hymen is pierced. A pervert who thrusts up a pregnant woman with her big belly shaking from underneath and fucks her together as a parent and child. This world is filled with the mystery of pleasure.