Rain lashes the windows while inside sex riding chair, a shy bookworm transforms into an insatiable slut. sex riding chair starts innocently—reading erotica on the couch—but soon she’s hiking up her skirt and fucking herself with the thick spine of a hardcover. The storm outside mirrors her building frenzy in sex riding chair; lightning flashes illuminate her spread legs and soaked fingers plunging deep. When the power cuts out, sex riding chair switches to night-vision green, catching her final explosive orgasm in raw detail as thunder drowns her cries. sex riding chair ends with her curled up under a blanket, spent and glowing.