Yuta Akizuki, a bottom-tier explorer, one day accepted the hidden SSS-rank quest “Birth of a Hero” and was summoned to another world. He successfully saved the world and returned, unaware that he now possessed the power of the strongest class. Oblivious to his newfound strength, Yuta astounded those around him with his unconscious abilities. As he gradually attracted the attention of S-rank explorers, idols, and even a princess… Note: This work is set in a gaming world where levels and skills exist.