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College Girl Yayoi's Summer Penis Research Who's the JAV actress in this video? Amateur? Name revealed!

A female college student majoring in science calmly observes a naked man, her demeanor as emotionless as if conducting a scientific experiment. Yet behind her glasses, her eyes are fixed intently on the changes appearing on the man's cock. Curious, she reaches out to touch it, move it, and play with it, thoroughly enjoying every reaction. The perfect balance between clinical observation and genuine fascination makes her every move irresistibly captivating.