From Blissful Sin: Comedian Ashina has nipples way more sensitive than most people. Suddenly, during a TV performance, he let out a strange voice, and anticipating a bad reaction from the audience, he decides to undergo a special nipple training by his performing partner, Kamiya… This book is a compilation of 6 complete stories including “It’s not like I’m doing it because I like it!” and others, like oyaji-uke, gijinka, historical tales and more! Presenting Kijima Hyougo’s and Aqua Comics’ muscleman smut series!