That was the million dollar question since a long time.
While Luigi wasn’t getting tangled in Professor E. Gadd’s bizarre exploits with the Pixelator 8000, he sure was meeting a lot of people whether he liked it or not of recent past. At times it felt satisfying to have company when Mario would leave him alone for yet another adventure. Though, it tended to become a bit strange seeing to how out of all places, these newcomers would go to their house.
“H… Hello there! Sorry for not seeing you early, I was just… u-uh… ”
“Are you lost? I-If so, I can… I-I guess I can help you out or… s-something… ” Enough about inquiring if they needed plumbing; seems like no one actually had a toilet nowadays…