.Struggling college student Satou is in big trouble... He's broke. He goes to class depressed, where his friends Kaname and Yuusuke conveniently offer him a part-time job. Satou leaps at the chance without hearing the details, but of course there's a catch... Turns out he has to suffer through a lot of very special "research" and "experiments"...! This lucrative part-time job is full of some eye-opening first-time experiences, but will Satou ever catch on to their real motives!?