This time, Shinjuku Koyuen Women welcomes Mizuki (19), an active model currently signed to a talent agency and dreaming of becoming an idol. Busy with modeling gigs, she hasn't had time to find a boyfriend—so it came as quite a surprise when she reached out saying she "wanted to do it." While her true passion lies in idol activities and she's somewhat dissatisfied with modeling, we can't help but hope she stays active for now. Standing tall with an ultra-slim, slender frame and delicate facial features close to eight-heads proportion, Mizuki radiates a beauty far more seductive than your average idol. Dressed in a school uniform cosplay, her realism is striking, as if she's embodying the role of a model right before our eyes. During the shoot, she easily draws her body close, highly sensitive—her entire body quivers at even the lightest touch. Preparing for swimsuit and lingerie work, her pussy is completely shaved, smooth and bare. Spreading her legs into a wide M shape, her pink, hairless slit glistens more and more with each movement. Proportionate to her slim build, her pussy is narrow and tight, offering strong resistance when the vibrator is inserted. But once pushed deep and thrust vigorously, her grip intensifies—so tight the toy won't fall out even when released. With the vibrator still inside, she sucks the cock eagerly, clearly turned on. After the blowjob, she moves to handjob—her stroking feels unexpectedly amazing, almost making me cum. Her tight, slender pussy makes penetration difficult at first… but once it's in… ♪incredible tightness! The grip is insane! Mizuki moans with half-lidded, blissful eyes, clearly enjoying herself. Her chemistry with cosplay is perfect, driving her arousal through the roof. We pound her from every angle, so intensely it feels like her slender body might break. Though it may seem one-sided, when she takes control in cowgirl position, she grinds her hips wildly with a full-on orgasmic expression. Not to be outdone, I finish with brutal thrusts and creampie deep inside. Thick, sticky cum gushes out from her ultra-tight, slender pussy. This koyuen experience is absolutely incredible!