Kasumi who has no money and is working part-time at midnight when she shouldn't really work. The proposal from the store manager who took advantage of that weakness was a part-time job behind the sex processing business. The store manager who was aiming for the J cup demanded sexual treatment just here and there. The sex processing bite that started from fucking became radical to SEX and vaginal cum shot, and Kasumi's mind and body were eroded day by day.
