She's a wonderful woman with a slender body, hidden large breasts, and a youthful beauty... Sato Kazusa works as a director in the education field. She hasn't had a boyfriend in over a year, and she's feeling a little lonely. "I was just curious..." she says shyly as she explains her reason for appearing in this video. Her embarrassed smile is adorable. She doesn't have much sexual experience, and she's barely used a vibrator or electric massager. She sticks out her rather large buttocks, a surprising contrast to her slender frame, and writhes in pleasure from the stimulation of the vibrator. Her sensitivity, which makes her orgasm quickly, is also impressive. When the vibrator is inserted, she trembles, embarrassed by the new experience. It's wonderful how greedy Kazusa is, taking the vibrator in her mouth while giving a blowjob. She remains as shy as ever, and her embarrassed smile as she rocks her hips in the cowgirl position is very erotic... It's amazing to see such intense sex from a beauty like Kazusa...