MFYD-125 Newcomer biology researcher, Jun Shiraishi (30 years old), makes her AV debut. She's usually intellectual, but the contrast with how she becomes like an animal when a cock is inside her is incredible.

A married woman with an astonishing gap between her "intelligence" and "instinct"—Jun Shiraishi (30 years old). Now a biology researcher, she's a highly accomplished woman involved in clinical trials and development of new drugs. However, instead of the "herbivore" sex of her husband, who works at the same research institute, she craved intense sex and entered the world of adult videos. When she undresses, she reveals a surprisingly slender body, F-cup breasts, and a voluptuous, sexy bottom...