On the way home from a drinking party, she ends up at a man's place by chance. Still drunk, they kiss passionately and immediately dive into deep, entangled sex on the bed. They record their sex on a smartphone, culminating in unprotected creampie. This shocking experience leads the man to label her as an "easy girl," and they begin a series of secret affairs. One day, he invites several other men over, revealing a shocking underground scandal—gang-fucking "Tsubasa" for their pleasure. Privately recorded hidden camera and smartphone gonzo footage captures real, raw creampie sex. Among the scenes, a woman's voice cries out, "Stop! Don't cum inside me!!"