Nono, a horny Japanese coed with a secret love for filthy encounters, finds herself in the campus toilet, lured by the scent of her gym trainer's sweat. Momoka, the trainer, forces Nono to her knees, pushing his throbbing, uncut cock into her mouth. She eagerly sucks, her saliva mixing with his sweat, before he bend her over and fucks her hard from behind, filling the tiny toilet stall with their moans and the sound of their bodies slapping together.