Have you ever fantasized about being collected by nerdy girls who say, "We need your semen for an experiment"? After that, the girls make you cum over and over again without knowing why! The girls smear your semen on their bodies and have ecstatic expressions on their faces...Wouldn't you like to experience a paradise like that in a manga? In this work, three cute nerdy girls from the Occult Research Club will squeeze out your semen!