Shinseki: No Ko To O Tomari Dakara De Na %c3%adn ^hot^
= 親戚の子とお泊まりだからでないん = “It’s not because I’m staying over with my relative’s child.”
So, a very rough translation could be something like "That's why the child of the new star stays with," but without more context, it's challenging to provide a precise translation or understand the full meaning.