Rin moved in with her husband Akira to take care of her widowed father-in-law. Akira is kind and thoughtful towards his parents, but on the other hand, he is serious and meticulous, hating above all else when his routine is disrupted. Of course there was no nighttime activity with such a husband, and one night feeling bodily aches, she was caught by her stepfather while pleasuring herself. The next morning, after her husband left for work, her stepfather exposed his hidden desires to Rin and devoured her body… At first Rin resisted, but her body gradually became honestー.
