One Piece: Dungeon Shop. Scamming Garp, Reward: Eight-Tails Jinchuriki - Chapter 12: Your Freedom, or Your Brothers’ Lives

Humanity’s first 8th Class Mage.

Betrayed, he traveled back 30 years into the past.

The story follows Ian Page, archmage and the first man to break through the 6th class, then through the 7th and become the most powerful mage, an 8th class mage.

After a lifetime of war and killing, the continent was finally unified thanks to his efforts. Now, old, his wish is to live the rest of his life in peace and try to find salvation for all the blood he spilled. However, his old friend, maddened by paranoia, couldn’t tolerate someone so powerful, so he betrayed Ian and killed him.

In his last breath, he cast a time magic that allowed him to travel back to when he was a young boy. With all the knowledge he previously had, he decided to do things better so he could end with less regrets.

Du Fei was reborn, and in this difficult era of extreme shortage of supplies, he started his wonderful life of opening and hanging…

- Description from novelbuddy

My name is Xu Yi. I was lucky to acquire the Survival System, which allows me to receive various high-tech gift packages just by checking in every day. While others face survival challenges in the wilderness, for me, it's like going on vacation.

Fate, a gatekeeper who had been working for the castle, is beset by a few burdens.