Ryuukitsu Koushu is a pure-blooded Sennyo (a child of two Sennin parents). She can only live in the pure air of the Sennin world, and as the air of the human world is poisonous to her, she rarely descends there. She wields the water paopei, Muroken Konmo, and is constantly surrounded by a protective water veil. She is said to be at a very high level, comparable to Dakki or Bunchu, but because of her condition, she does not fight often. Later, she received super paopei Bankohan from Genshi Tenson.