After seeing the contents of the confiscated erotic book, these two serious men's sexual desires are aroused!Furthermore, there was me, an adolescent boy, in front of me...For some reason, the student council president, who couldn't stop his body from burning up, suddenly put his hand on my crotch and found an erect cock there... "What on earth is this hard object...?" I can't contain my curiosity as I feel it for the first time!What is the mechanism of an erection? How to get it to the hardest state? The two sullen and lewd men begin their sexual research, and at the end of the journey, a hopelessly erotic sex awaits them.