Ryūzetsu

is the mysterious ninja from the movie Naruto Shippūden 5: Blood Prison. Ryūzetsu is a childhood friend of Mui's son - Muku 無垢. Just like Maroi, she too has an undercover mission in order to investigate Mui 無為 as to the disappearance of Muku when he was still young.

Appearance
Ryūzetsu has shoulder length white hair and blue eyes.

Abilities
Ryūzetsu can create fire-like apparitions.

Trivia

 * Her name means "dragon tongue".