H-cup nursery school teacher Yuri has gone over a year without a boyfriend, leaving her sex life completely dry and unsatisfied by masturbation alone. Out of curiosity, she signs up and soon finds herself getting turned on as they talk and he begins touching her body, groping her large breasts and testing her sensitivity—her expression gradually shifting. When her favorite spot, her clit, is stimulated, she quickly gets wet, and the sensation of a real cock drives her wild, making her arousal skyrocket. Soon, he slides inside her bare, and she delights in the sensation of her first bareback penetration. As he relentlessly hits her pleasure points, her huge breasts bounce wildly while she orgasms repeatedly. Then two more men join in, taking turns thrusting their bare cocks deep into her pussy as she continuously cries out, "It feels so good!" Finally, without permission, they each unload copious amounts of real semen deep inside her, allowing her to fully experience the raw intensity of her first unprotected, creampie-filled gangbang.