Yuji visited his in-laws to pay respects. His mother-in-law, Yumi, welcomed him warmly, and the two happily got married. His father-in-law had already passed away, so Yuji and his wife decided to live with Yumi at her place, thinking she would be lonely without her daughter. Half a year later, every time Yumi heard the sounds of Yuji and his wife's nighttime activities, she would masturbate in frustration. Finally, at her breaking point, Yumi sneaked into Yuji's bedroom while her daughter was away for the night…
