The Uncanny Counter (2020)
“Extraordinary Rumor” is based on a webtoon of the same name and tells the story of demon hunters called Counters who come to earth under the guise of being employees at a noodle restaurant in order to capture evil spirits that have returned to earth in pursuit of eternal life.

So Moon is the youngest of the Counters. After suffering from a mysterious car accident as a child, he eventually becomes a central figure among the Counters.