Natsuki secretly started working at a men's beauty salon, offering handjobs, because her husband didn't earn enough. But one day, her father-in-law, whom she hated, found out and took advantage of her weakness, demanding that she give him a rejuvenating massage! Humiliating oil massage handjob, no-panties shameful blowjob, sticky cunnilingus climax... Eventually, she becomes her father-in-law's exclusive sex worker, and finally begs for his dick and accepts NTR sex, falling into an unlimited free man!