Hunting oni

Oni: "Oni" primarily refers to monstrous demons in Japanese folklore, known for their strength, horns, and fierce nature. Story: There's an organization that hunts and kills oni. They protect the innocent while collecting money from the government for the members. they work in groups and skill E-S ranks, S being the top ranks. Higher ups are in charge of everything and keep everything in line. The people if the organization also are very skilled with certain weapons and easily defeat oni.