Hibino Uta, a class president with strong moral principles, prides herself on living an upright school life. Despite her shy demeanor, she harbors a surprisingly lewd side—unconsciously wetting herself during class. Drawn to her, former dropout Hino Iori decides to return to school. However, overwhelmed by nerves during her first lesson back, Iori accidentally wets herself too. Witnessing this, Hibino boldly begins urinating in front of everyone, smiling warmly as she reassures Iori, "It's not embarrassing to pee yourself, Iori!" The sharp, musky scent of fresh urine fills the air, exuding a youthful female aroma that stirs the desires of male students and teachers alike. This sacred stream of piss ignites their lust, awakening primal urges. The scene captures the precise moment when innocent school life transforms into unexpected erotic desire.