Chiyuu is an artist and is friends with Birthday and Ratio. Her Minimum Holders is making her self blend with the environment like a chameleon. She can also make someone else turn invisible when they are near her. To active her Minimum, she has to say a color.
A hired gun who is a cyborg.
A friend of Sagi and Toki. He is devoted to the siblings, willing to ask Konoha for help dealing with the ghost despite Toki (as Sagi)'s refusal of help. He uncovers Mousou's deception, and while he is nearly killed in the process, reports the finding to Toki and Naruto. He is almost killed by one of Oki's attacks, but survives. (From Naruto.Wikia)
Nagare and his partner Hokushin are wandering ninja. Nagare travels the world gathering jutsu and creating his own variations. The two men also act as mercenaries, working for whomever pays for their services.
Nan was a villager in a small village in the demilitarized zone of the Rice Field Country. The village had a small gold mine which became a target of bandits due to no government presiding over the area. Bandits led by Shiin attacked the village and killed a third of its citizens. Nan and her brother Ran survived. She looked after Fuki when the young girl’s parents died in the attack.