Yato from Noragami. I first thought it was a samurai, but noooooo. It is Yato in his killer god mode. Just call him a samurai and I will be happy. Still a god of death  is not a bad thing too. Manga, Yato Noragami, Noragami Manga, Noragami Anime, Neon Genesis Evangelion, Noragami, Yato And Hiyori, Sword Art Online, Kimi Ni Todoke