Lost In Hilland is a Manga/Manhwa/Manhua in english language, Adventure series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

The world was in chaos due to an unknown virus, causing smoke to arise in all directions. Shea Ouyang and her foster father were separated in Hilland because of an accident. While she was wandering, she met three comrades. Together, they shall set out for Hilland’s capital, Paneer, and take refuge there. The journey will be full of uncertainties and life-threatening creatures. They must pave their own road to survive.