Galaxynaut

This is the story of Sejun Saturn, a NASA astronaut who one day, during his time in the International Space Station with some other astronauts, ends up being sucked into a strange wormhole that appeared from nowhere to swallow the ISS up whole. Separated from his comrades during the event, he wakes up after passing out to find himself in a bizarre galaxy with no idea where he is and where home is. He lucks out in finding a place to stay, a Hotel that seems to attract all sorts of lost individuals. And so his life in this strange new galaxy begins, him working out of this hotel, doing his best to solve the mysteries around where his fellow astronauts went and how to get home along the way. 

But in searching for these answers, he'll come to discover deeper, darker mysteries about the history of this galaxy he finds himself in and how he got here in the first place...