MTL - Magic Chef of Ice and Fire - Chapter 21 Vulcan's left hand (below)

Humanity’s home is no longer Earth. Intersellar travel is now a common occurence, and technology has replaced blood and flesh.Luka, who grew up in the slums, has turned fifteen and taken the selection exams. His aptitude is of the “Imperial Guard.”

“Honey, be good…Give me your phone…”

“No, no!” The internet-addict girl clutched onto her phone, determined not to give him.

The handsome and noble man slightly sighed. He lowered his body to hug the girl.

“You’re not listening again, hm?” She immediately handed her phone over cowardly as he said so in a clear and distinct voice.

He was the eminent and noble Master Li, a powerful figure in the business world.

She was just from a normal family that suffered from her stepmother’s schemes, a pitiful girl.

An accident made him appear in her world.

Since then, everyone in S City knew that Master Li had a treasure and cherished her dearly. He feared that she might be wronged in the tiniest bit. He will personally tutor her in her studies, personally be her training partner in video games, and even reserve the movie theaters for her movies.

- Description from Novelupdates

Su Mo, a late bloomer, was introverted and bad at socializing with strangers.He thought his life would stay pretty ordinary, but everything changed when he started playing the popular game Star Ring. He unexpectedly rediscovered the joys of life and set off on a journey to claim the throne.

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.