Eight years ago, home helper yuki yoshizawa was taking care of an old man named yamada. although she was disgusted by his perverted and harassing nature, she couldn't help but feel a certain affection for him. years passed, and now married and a housewife, yuki happened to pass by yamada's house. feeling uneasy, she visited his room and found him unconscious. seeing him so weak, yuki decided to help him out.