MTL - Blackstone Code - ~ two thousand one hundred and eighty-one

Qin Mu was transmigrated to a world filled with fierce beasts and endless chaos.But from the very beginning. fate granted him the Invincible System --- a power that defies all laws.From that day forth, his strength increased without limit.The cultivation bottlenecks that had trapped countless powerhouses were shattered overnight.Ancient laws that could only be seen by genius among genius? Understood in a moment.Trial after trial that destroyed genius for generation? Cleared without moving an inch.And as his strength grew, the world trembled.Across realms and races , no one could stand in his way.At the peak of creation, Qin Mu Stand alone ------ crushing all beneath his invincible rise.

(Isekai, Fantasy, Non-transmigration, Unconventional, Ensemble cast, Meticulously crafted setting, Multiple identities, Light novel, Succubus)I have many masks, and each has its own story.I am the unremarkable little artist of the Church of Dawn; the strongest apprentice in the gladiator arena; the killing machine in the eyes of goblins... The holy nun beneath the sunlight is me, and so is the old gentleman on the train... I have hurried through underground tunnels in escape, and I have left behind beautiful legends on the frontier...Beneath the mask, there is an even more beautiful mask; within the lie, there often lies a hidden truth...My name is Ogre. A child raised by ogre since birth. It's a pleasure to meet you.

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

To pass as an imperial concubine, one must be professional.

Actually, the profession of an imperial concubine is pretty good. The emperor will accompany you in eating and drinking, and even pay you for it. What’s not good about that?

- Description from Novelupdates