A beautiful office lady with shapely legs in black stockings, challenged to a "1 Million Yen Fixed Dildo Piston Game" while busy with her field work! Inside the lewd HOUSE with a fixed dildo stage, she aims for the GOAL by completing the assigned hip thrusts at each section, her legs trembling with pleasure! This is a super erotic game of hip thrusts for a black stocking OL! The intense pleasure of the fixed dildo overwhelms her pussy, causing her to spasm uncontrollably and reach an intense climax! In the end, she's completely corrupted by the punishment game of instant, raw, and creampie!