In this groundbreaking series, we bring you the story of the world's biggest balls, adapted from a work by renowned author Shiyonosuke Yoshida and illustrated by Daytime Napper. Our protagonist, Momokami Sakura, discovers a student named Tamaki lying unconscious on school grounds one day. Upon inquiring about his troubles, he reveals that his massive testicles are causing him immense pain. Concerned, she decides to observe him closely... And what she sees next leaves her speechless! A gigantic set of balls appears before her eyes, accompanied by an overwhelming scent of thick, creamy semen. Before she knows it, the semen erupts from his swollen sac, covering them both in a sticky mess. As they indulge in their newfound lust for each other's bodies, an intense orgy ensues – filled with bukkake, big tits, and nymphomaniacal desires. This exclusive collaboration between AV stars promises to be unlike anything you've ever seen before!