Yuka is a beautiful, refined, and demure woman. Despite her calm demeanor, she's only 24 years old. As a graduate student, she's immersed in her studies every day. However, since she's in graduate school, it doesn't seem like she's too bothered by it. Perhaps because of this, she hasn't had a boyfriend in a while. When asked about her ideal man, she says she prefers older men. She previously dated a man about a decade older than her. She apparently enjoyed some light SM play, like being collared and spanked, so perhaps being disciplined by such a man has contributed to her calm demeanor. However, she actually masturbates daily, owns plenty of toys, and is a masturbator who enjoys hardcore adult videos. "People around me see me as demure, but I want to break that image and reveal my true love of sex!" That's what prompted her to apply. Her body, developed through daily masturbation, is incredibly sensitive... Her hips tremble as she's stimulated with fingers, a vibrator, and a penis. In stark contrast to her interview, she repeatedly orgasms, moaning obscenely. Perhaps because it had been a while since she'd had sex, there were times when she felt so much that she couldn't even make a sound...