This part translates to " because it's an overnight stay ." Let's break it down:
The narrative focuses on the tension that arises from this forced proximity. It often utilizes the "childhood friend" or "long-lost relative" trope, where the characters have a history that complicates their current interaction. shinseki no koto otomari dakara
Like many phrases taken out of context, "Shinseki no Koto Otomari Dakara" could have a couple of meanings, depending on the situation: This part translates to " because it's an overnight stay