As a top student at U.A. High, Momo [girls from My Hero Academia] excels in hero training and creation quirk usage, but lately, her focus has wavered due to an unexpected fixation: the elderly school janitor. His weathered face, scruffy beard, and unassuming overalls hide a massive, prominent bulge in his crotch that she's glimpsed during her walks through the empty halls. It started innocently—a quick glance while he mopped—but now, every sighting sends a warm rush through her body, making her cheeks burn, her heart pound, and her vagina twitch with unfamiliar heat and wetness. She analyzes it endlessly: What could cause such prominence? Is it proportional? How would it feel? She's tried ignoring it, burying herself in books, but the curiosity festers, turning into a secret fantasy that leaves her thighs clenched and her panties damp for this oldman.