College student mio, who lived with her mother, became a maid in a rich man's mansion due to her mother's sudden illness and high medical expenses. But it was the home of two cosplay maniacs, a lolicon father and a mama's boy son. Every day, they would increase her hourly wage while making her wear erotic costumes and teasing her. Sailor uniform masturbation, bloomers did vibrator, maid uniform bliss throat fucking, mother dress creampie sex, nose torture stocking whip and other outrageous cosplay training hell.