haruna, who is bad at studying but loves erotic things, has decided to repeat a year, and her smart boyfriend was worried about going to university alone. one day, she found a fake article on the internet that said "men's iq becomes 3 when they ejaculate," and decided to make him ejaculate a lot with her breasts and make him repeat a year with her! from that day on, every time her boyfriend opens a textbook, she immediately does breast contact, no-bra breast temptation, big tits strangulation, and makes him erect with all sorts of means, holding him in a big tits full wrap hold! with continuous titty fuck clamping ejaculation, his head goes blank! day and night, in the room and at school, her little devil girlfriend's mega titty clamping ejaculation makes her brilliant boyfriend increasingly stupid!