The brothers were first seen at Thorn Ruins, were they have encountered Lang and started fighting him. They were about to finish Lang, when Jio came and cut with his boomerang one of the brothers chain O-Part. They realized that Jio was an OPT and decided to retreat for now, telling him that the next time they meet, they will kill him.
At Sabaki's place, they demanded he to pay them if he wants to keel hiring them, but Sabaki told them he never hired them in the first place and they were just tools used to test Jin's skill. The biggest brother of them, got angry and before they started to fight with Jin, he told Sabaki, that he will be next, but were burned to death from Jin's O-Part effect.
- Orochi: The O-Part of the big brother of the group, a chain which can be manipulated in any given way. It can be used to restrain someone, to pull or throw things.