Origins on Webtoon created by Terra Animation's is the past of Changed another series
In origins you play as Ham the protagonist name created from the viewer's and you are trying to escape the facility alive but there are enemies, creatures, and traitors that will stop you from leaving. You aren't alone though there are people who are willing to help you along the way to give item's, heal you, Trade, and Assist you.
This was created because the other series Changed was finished and the Creator wanted to continue on it after like a year being gone...