Harem Overlord: I ALWAYS Finish Quick! - Chapter 101 Upgrades

She was born into a powerful family of the nobility, a blue-blooded aristocrat as capable as any man. He rose from humble origins up the military ranks, an iron-blooded knight with high ambitions. A transaction for power severed her from her childhood sweetheart. A tardy encounter was the beginning of his and her vow to meet life and death under heaven, standing shoulder to shoulder.

Political intrigue, dynastic succession struggles. He trampled through it all in the toil of becoming emperor.

Old enmities became new disputes, concerning life and death of entire families. She entered once more into the palace, changing the entire political climate of their world.

Meeting once again, they had become strangers. The peach blossom were all fallen, no more than a golden age grown cold.

- Description from Novelupdates

Our protagonist, Xu Yi, is born with a silver spoon in his mouth, able to live a happy and worriless life. However, he wasn’t able to enjoy this life for long, as the revenge of his family’s enemies quickly caught up to him.The enemies are much more powerful than Xu Yi; therefore, he has no choice but to be obedient. However, forbearance is not always a good policy. The enemies take advantage of his passiveness and bully him even more. These little sparks of anger have finally become an uncontrollable fury for Xu Yi, compelling him to seek revenge.

The interstellar boss, Zi Yi, has come back to life.

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates