Japan's craziest Samurais just dropped a jaw dropping teaser featuring shred ninjas: Kazuhiro Kokubo, Kohei Kudo, Kotaro Kamimura, Masaki Toda, Teddy Koo, Shoma Takao, Yuta Kiyohara, Yuta Kobayashi, Shin Biyajima, Kyota Miyake, Yusaku Horii, Kazuhey Nomura, MASAI, Takaharu Nakai, OZZY and more!