Yuusha Party Okubi ni natta Ninja, Shinobazu ni Ikimasu, Alternative : Yuusha Party o Kubi ni Natta Ninja, Shinobazu ni Ikimasu, 勇者パーティーをクビになった忍者、忍ばずに生きます, Yuusha Party wo Kubi ni Natta Ninja, The Ninja Who Was Fired from the Hero Party Will Live a Hidden Life