Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 15 - 15-36. Divine Punishment (5), The Forbidden Knights

The Zhuang Lady sent her dog, Yin Huayue, to keep an eye on him and confine him. She is cold-blooded and hypocritical, and always has a fake smile on her face. Helping him get ready, combing his hair, and lighting the lamps. Awake for twelve hours a day, Li Jingyun spends ten hours thinking about how to make her leave. But after that, she actually left. He became anxious.

Despite our brief time together, we are not appreciated despite our strength. Rather be alone, instead of withering alongside with another.

- Description from Novelupdates

The unprecedented magician who will eat all the magic books of the world has appeared.

“W-w-w-welcome to the simulation zone.”“New user recognized.”“Proceeding to register...”“Please wait...”“Register complete.”“Welcome, user number 4956: Evan Rotewed.”In a world of mana, those without reserves for it gets left behind. Rules and regulations are set to categorize everything into neat piles, each promising the highest potential a person with mana can get. Starting his life at the rock bottom, Evan Rotewed swore he will rise above it all, even if he had to break the ironclad system the entire world holds close to its chest. Wave a hand to the broken reflection beyond the mirror of ones and zeroes. System Discord.

Yuder was a commoner Omega who rose to the top with his ability.

When he woke up again after being falsely accused and executed, he was back 11 years ago before everything began.

A chance to get back……

He must not repeat the same mistake he did before.

To survive, and to save the world, now he had to save the man he had killed!