What kind of brutal training does a sadistic teacher impose on her students? Under the guise of preparation for a competition, the students are subjected to what feels more like torture. They're forced to run while a remote-controlled vibrator is inserted in their pussy, enduring bizarre training with strange devices. They carry naked rickshaws, are hung from towers while being given enemas—relentless physical abuse that forces them to suffer and endure. When made to stay overnight at the teacher's house, the students are tied up completely naked, forced to perform blowjob while preparing dinner. With their hands bound to the ceiling, they're subjected to intense tickling, spanked on the ass, and completely dominated. Some scream in pain as clothespins attached to their bodies are knocked off with a whip. Electrically charged glass rods are shoved into their anuses, delivering extreme sensory torment. With one leg hoisted up, they're electrocuted, urinating through catheters inserted into their urethras as their bodies convulse. In the bathroom, they're bent over backward while hot wax is dripped onto their bodies, even poured into their clits held open with speculums, capturing their agonized screams. Meanwhile, another student is forced to run naked to a stream, given an enema, made to defecate, then forced to drink the teacher's piss and give her a blowjob. Bound to a tree and tortured with hot wax, they desperately try to escape the burning pain. They're forced to pee in front of the teacher—and then made to drink it all. Suspended upside down from the ceiling, they're pricked with needles, tortured with heated glass rods, assaulted with anal beads, and made to lie on their backs with long yams shoved into their vaginas. Worse still, they're made to straddle a beam while hard-boiled eggs are inserted into their pussy—an utterly cruel teacher's relentless abuse. The next day, they crawl naked on all fours, whipped and beaten until some involuntarily piss themselves. Finally, the ultimate punishment—waterfall torture!