At a regular izakaya of the director, I met a beautiful 20-year-old girl named 'Miyuki.' Dreaming of becoming a hotelier, she deepens her knowledge at a vocational school and accumulates customer service experience through part-time jobs. As the story goes, she is 'serious' with a simple and modest atmosphere and enough experience with men. Leading her to appear in adult videos, her body flushes lightly at the touch, changing into a vacant expression, seemingly expressing a hunger for pleasure. Her drenched vagina tightly squeezes the penis, and she lets out lewd breaths as she enjoys the racing stimulation. Exposing her true nature to the extent of erasing her serious demeanor, she bathes her lustrous body in previously unknown shame and stimulation...