[Chinese]OKAD-501 Clear and serious top student! The lewd counterattack of black-haired loli schoolgirls!

Members of the student council, with excellent grades and seriousness as their only redeeming qualities. One day, betrayed by a trusted teacher and male students, they are forced into SEX within the school grounds! Raped in the toilet by their homeroom teacher and subjected to a 4P in the gym storage room, among other escalating acts, these black-haired Lolita schoolgirls are tormented and used as toys. Even as they experience pleasure amidst the violation, the four top students harbor complex emotions and decide to take revenge by reverse-raping the male students!!