Based on the AV industry's project [World's No. 1 Series], [The Story of the World's Largest Balls], drawn by the strongest tag team of [Original Story: Fuguri Kintaro, Illustration: Nap], is imported back to the AV industry and made into a live-action film! ...One day, Momoyama Sakura, a nurse, finds a student collapsed in the school. His name is Tamade. He says he has some troubles, so when she asks him, he says, "My balls are so big they're killing me." Worried, she looks at him and finds out that his balls are huge! Balls she's never seen before, and the sperm that has accumulated in them is ejaculated by chance. The Yui smell of sperm fills the air all at once, and Momoyama, who is engaged, notices that the smell has stimulated her and she is attracted to the balls, sperm, and dick... From there, a parade of <sperm bukkake> begins! She is squirted with a large amount of sperm that is thicker than her fiance's, stimulated, and wants it again! A one-of-a-kind cuckold work is born! !