"No, my sister-in-law. Thank you for everything." Osamu went on a trip and not only cleaned the desolate room, but also Kaori, the sister-in-law who made dinner. I was grateful from. Without knowing that Kaori was laughing at such Osamu. "Osamu-san, can I stay here today?" Osamu agrees with Kaori's request, but I never knew that Kaori's purpose was Osamu's body.