"Yeah. There is no one here from my world either."

So he understands. Not that he's trying to shift the focus onto himself here - Naga forbid, he'd die if he got too much attention at once - but he's just making sure Sizhui knows he's not the only one.

.. even if Inigo is lucky enough to not have a huge group of people here from a world so similar to his own, yet different..

"But my mother was here for a little while, and I had to watch her leave too. It's hard, really hard, but.. at least we all still have each other."