Popular star Haruki Sato appears in this 4-hour long session of forced orgasms. Featuring a specially designed, powerful restraint chair created exclusively for this production, her bondage experience is intensified, with full exposure of her crotch area captured in explicit detail. Vibrators thrust in and out relentlessly, causing her to squirt forcefully and repeatedly. Over the course of four intense hours, she achieves her highest recorded volume of squirting. The climax features a breathtaking 4P scene, where thick cocks penetrate her deeply, driving her to orgasmic heights as she screams in ecstasy.