Naruto of the Crimson Sword

Because he was at a wrong place at a wrong time - at the Uchiha compound during massacre - Naruto gets thrown into a new world by Itachi's use of the Kamui jutsu. The seven-year-old blond now finds himself in a strange world, filled with demons and half-demon girls who fight them. Alone and having no idea about anything, he struggles to either find a place to belong or return home