[Chinese Subtitles] I love my father-in-law more than my husband… Gehanon JUQ-679

Non and Youhei have been childhood sweethearts since their school days. They've been married for several years, and recently Youhei seems distant towards Non, but... it turns out that Youhei has been deceiving her all along. Betrayed by her beloved husband, Non falls into despair. Her emotional support comes from her father-in-law, Ippei, who lives next door. His love for Ippei, which he's had for her since their school days, has returned. When she comes to her senses, she realizes she's been subtly seducing Ippei, but she makes up her mind and heads towards Ippei's bedroom...