Son's wife, Makihara Mana, JUX-500

While visiting her mother-in-law's grave, Aina, the wife of Yukio, arrives at the guesthouse run by her father-in-law. The abundant natural scenery and hot springs allow her to relax and forget the hustle and bustle of the city… However, Aina's unconscious display of her beautiful body ignites a wicked thought in her father-in-law, who hasn't been with a woman in a long time…