Back when Haku was first introduced, Kakashi said that his mask represented the Hunter-nin, who hunt down rogue shinobi, assassinate them, and completely erase them. What happened to them? Do you think
Kahoru Ai Kana Reference sheet|Contest Entry by xxpentimaticxXx on DeviantArt
Hunter-Nin Guide | Naruto D&D Classes - YouTube
Just when I thought I was out they pull me back in — In Regards to Hunter nin Masks
CHAR] Naruto: A War of Fire, a Game of Resistance — Roleplayer Guild