I stopped by a mixed-gender hot spring in the mountains on my way back from a business trip. I encountered a local woman cleaning in hot pants in the steam. She, who is said to have married a nearby farmer, casually spoke to me and asked, "Will you come in with me?" to my surprise, a mixed-gender bath. Seeing me react to her charm, she whispers with a smile, "Hehe... sorry for making you erect?" From there, passionate intercourse devouring each other in the open air. A two-day erotic journey began with a pre-menopausal beautiful mature woman coming to extract my seed──