My little devil schoolgirl niece, Sakura-chan, has one big worry: "I want my tits to get even bigger!!" Taking advantage of this innocent girl's concern, her perverted uncle uses a completely baseless "bust-up technique" that's just a thinly veiled excuse for his own desires to tease her relentlessly!! From breast-rubbing titjobs and guidance on tit-squeezing ejaculation, to hormone-activating rubbing sex, lotion breast massage, mammary oil massage, and no-hand tit-squeezing with continuous creampie sex, she gradually falls for the pleasure of her uncle's insatiable cock...