Pathfinder

Pathfinder is a Manga/Manhwa/Manhua in (English/Raw) language, Shounen series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

The pathfinder searches for the “path” that grants wishes. It’s great that Garam, an ordinary student leaves the world with impulsive thoughts but,
When she comes back, the world became a ghost town where all the people and animals have disappeared.

To find his/her family and have the world back the way it was, she must find a “path”
You could be swept away by an avalanche in the mountains, Deep seas where it is difficult to breath, hellish labyrinths, and more.

This is a series of hardships to find the paths that are in dangerous places