After club activities, on the school rooftop, the humid heat of their bodies and the sweaty younger girlfriend ignite a passionate, daring kiss. Haruna's playful teenage energy escalates into genuine arousal. Dragged into the clubroom's bathroom, they immediately start hardcore mating. Shy at first, but once kissed, she becomes fully aroused—her nipples sucked mercilessly, driving her wild. Even the sweaty, musky smell of his cock doesn't deter her enthusiastic blowjob. Overwhelmed by her passion, he can't hold back and suddenly cums inside her. With her ass grinding against the mirror, her panties soak through visibly. Haruna blushes deeply, her nipples rock-hard, overwhelmed with pleasure. Despite the risk of someone walking in, she wildly grinds her hips, unable to resist the intense friction as his cock repeatedly slams against her cervix. "Ahnn, senpai's cock is getting so big... nnnggh..." she moans repeatedly, climaxing again and again, screaming how much she loves it. The standing doggystyle in front of the mirror, her embarrassed expression—it's the very symbol of youth. Their sweaty, post-club bodies drenched in adrenaline, delivering insanely hot sex. The tightness after practice feels absolutely incredible. This youthful mating with his junior girlfriend is like two smashing tennis rackets colliding—perfectly synchronized in the most intense lovemaking imaginable.