In the dimly lit classroom after hours, Eri Kasamoto, the bespectacled student, finds herself alone with her teacher's pet, Tarma Roving. Their shared love for Metal Slug games brings them together, but it's not the game that gets their hearts racing. Eri, feeling bold, leans in, her glasses fogging up as she takes Tarma's throbbing member into her mouth. She expertly works her way up and down his length, her tongue flicking against the sensitive underside, while Tarma's hips buck involuntarily.