剣と魔法の世界で冒険者として生きる中年、ユーヤ。彼は努力家だが才能がなく、報われない日々を送っていた。しかしそんなある日、ユーヤは社畜だった前世の記憶を取り戻す。そして、今生きているこの世界が、かつてやり込んでいたゲームとまったく同じものだと気づく。さっそくユーヤは、ゲーム内の隠しワザであるレベルリセットを試し、レベル１から人生をやり直そうとするのだが――。「そろそろ、俺が報われてもいいころだ」ゲームの知識と鍛え抜かれた技で、三度目の人生に挑むおっさんの物語！
Yuuya is a middle-aged adventurer without talent. As hardworking as he is, he spends his days garnering little reward. One day, his memories of being a corporate slave return and he realizes that he has reincarnated into a world of the video game he had been obsessed with in his previous life. As a bonus for resetting his level, his stats rise and the limits increase to the maximum. As a result, his life receives a turnaround. Using his knowledge of the game as well as his 10 years of experience as an adventurer, all will be in his grasp using the skills he has forged. At last, in his third life, the time has come for the old man to be rewarded for his efforts.
