まさに「なんできたの!?」状態です(笑)
念のためいっときますが、原作の小傘さんにこんな家族はいませんことよ！

It truly is a "Why the heck did you come here!?" situation. :-)

And I'll just say this now to make sure: The original game's Kogasa-san doesn't have this kind of family!