MTL - Tech House System - Chapter 105 dozens of courses

As a eunuch, Tian Qi’s ba zi* was harder than diamond-plated gold drill. Although her ba zi easily brought an end to three consecutive masters, the Emperor was not afraid to be the next casualty and got her to serve at Qian Qing Palace.

Although His Majesty looked like a handsome gentleman, his behavior was more like a hooligan. Once, the Emperor touched Tian Qi’s lower abdomen and started to wonder at the amazing flatness of the area…

*八字 a Feng Shui term that refers to one’s date and time of birth, or the destiny that one is born with

- Description from Novelupdates

An Apocalypse descends—as a lethal super-virus wipes out most of the human population. It took less than a day for the world to change forever—bringing mankind to its knees.It’s a time of misery and death for most, however, there are some who are lucky. Zane Graves, who came across a “Blood Crystal” is given an ability: [Dead Man Walking]—which grants him a special power, and so setting him off on his path to the top!

I came from hell, looking for redemption! –“Revelation”
…………
What is redemption?
I think it should be a process in which a good person becomes bad and then becomes good again.
It’s like our clean birth, contaminated by the dust of one life, and then clean death.
Well, this is just a story. …

- Description from Uukanshu

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.