[ Okay, so maybe Yuuki felt along the same when she arrived ]
You see, the thing is... people have been searching for a way out of this land for years. And if you don't have money to pay for your rent and things, you wont be getting food or electricity.
[ Food is always Yuuki's priority. ]
So if you can secure those, the more time you'll have for helping everyone else search for a way home.