Mahiru, the strongest little devil girl from Patsukin Boinboin, has transferred to a school full of erotic boys! - School sexual spring non-stop movie! - Mahiru completely conquers many erotic bosses at the worst lewd school ruled by extremely erotic male students with her firm breasts and infinite sexual desire! - There are rumors that Mahiru, the legendary transfer student who is a super slut, will give you 100% if you ask him! - When the bullied child who was made to call out to him for fun is brought into the room, the little devil's full-throttle torture explodes to the point of agony! - Then, rumors spread, and all the erotic Yankees in this area gathered for a fight! - A battle that will change history begins now, where the strongest and most terrifying erotic men and women fight for their pride!