The Affairs of Success Agency

There is a rumor about a mysterious organisation in the martial world, the Success Agency. In reality, it's only run by a boss with the features of a child, and a reticent warrior, yet it dominates the leaderboards of bounty hunts in the martial world, and is well known all over. What is the secret behind their success? When their competitors come looking for trouble, where would their paths lie?(Source: Bilibili Comics)