Dubious was a member of Souke's Team. After the death of his leader, it's unknown what happen to him after this.
|Debut||Episode 3 (Flashback only)|
Dubious was loyal to Souke, his leader.
Dubious had the same suit as his leader: Souke. Except that his beard was short, black and was not hanging off his face. His hair was not in a top-knot. He had only one katana and that was on his left side.
His abilities are unknown.
It's currently unknown when Dubious was born or how hold he is. But eight years before the start of the series, he was in a team consisting of Mapp and Souke Murayama. They were assigned to hunt for Uki Masahiro and bring him back to the village. Souke told Mapp and Dubious go separate ways. They were shocked to find out that they're leader was killed by the one person they were hunting; Uki Masahiro. It's unknown what happened to him afterwards but its assumed he died afterwards.
- Dubious means uncertain but his personality reflects this; he is the opposite of this.