Oda Nobuna no Yabou
Available on Prime Video, Crunchyroll
Modern-day student Yoshiharu finds himself unexpectedly teleported back in time and smack dab in the middle of a battle. When a soldier sacrifices his life to save Yoshiharu, it’s up to him to fulfill his dying wish. But Yoshiharu hasn’t just gone back in time- he’s gone to an entirely different timeline altogether!