Half a year ago, my wife and I had a quarrel over trivial matters, and as a result, my wife returned to her parents' house. After that, I lived a solitary life in a house that was a little too big for me to live alone. Worried about the situation where she is too tired to wake up in the morning, Kaori Saeki, a beautiful kimono-clad sister-in-law, came all the way from her hometown without contacting her...
