Shinmai Ossan Boukensha, Saikyou Party ni Shinu hodo Kitaerarete Muteki ni Naru.
The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, Became Invincible
新米オッサン冒険者、最強パーティに死ぬほど鍛えられて無敵になる。
Shinmai Ossan Boukensha