Recently, there were sightings of groups of demonic beasts in the northern mountain range area, which is why the guild made the investigation request. The northern mountain range area is a mountain that, once crossed, would lead you to an uncivilized area. Although not as strong as the demonic beasts inside the Great Dungeons, there are strong demonic beasts that only high-ranked adventurers could handle. It just that, besides the original members of the party that accepted the request, there was another member that tried to forcefully accompany them. By some happenstance, he eventually became a temporary member of the party.