Apparently, Disillusioned Adventurers Will Save the World, Vol. 3 (light novel)

The Survivors were formed when four adventurers decided to band together after being betrayed, but thanks to the Sword of Bonds, the tentative trust theyve built has made them more powerful than ever. After Nick and Tiana took down the Iron Tiger Troop and the Sword of Ruin as the Lovely Paladin, the Survivors have returned to funding their vicesuntil they hear of a mysterious monster lurking in the city!