Nanako is a serious and refined-looking woman with long black hair. A researcher in volcanology at a prestigious university, she has been deeply absorbed in predicting volcanic eruptions and geological studies, leaving no time or energy to find a boyfriend. In this rare opportunity to experience sex again, her expression during the interview carries a subtle hint of excitement. As soon as her partner's trunks drop, a massive cock slides out, making Nanako gasp in surprise—though her cheeks quickly soften into pleasure. She gently licks the tip, then forcefully stuffs the huge shaft into her small mouth, delivering an intense, deep-throating blowjob. Her lower body is already dripping wet, with slick arousal oozing from her slit. When attacked with a vibrator, overwhelming pleasure engulfs her, soaking the sofa with her slippery juices. Then, that thick, rock-hard cock is forcefully driven into her slippery pussy, thrusting at high speed. The cock repeatedly pounds her sensitive walls, perfectly intertwining with her tight heat and amplifying her pleasure. Overcome by long-forgotten ecstasy, she frantically grinds her hips, chasing deeper stimulation. The prim and proper woman from the beginning is now unrecognizable—transformed into a filthy, lustful slut. Watch closely as Nanako completely abandons herself to raw, animal desire.