Pornstar System - Chapter 24 Climax?

Standing before you are:

Guardian and patron of darkness,

Disruptors and Reshapers of Order,

creator and persecutor of licking dogs,

The tea master, the goddess of the dark night, the nightmares and gravediggers of the gods,

The true ancestor of blood – Charlotte de Castel.

With madness, with blood, with curse, with destruction.

This is a legend belonging to the blood family…

- Description from novelbuddy

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

A 29 year old civil employment exam student wakes up in a blank white room and meets a baby angel. This baby angel informs him that he died in his sleep due to heart disease like his father and grandfather. Remembering his mom and their last conversation he says that he will take on a series of life and death tests that the baby angel offers him. From this point on he must put his life on the line and fight in the stage called ‘Arena’. And Every time he clears a test he will gain abilities and weapons to increase his strength. All to clear the tests and get his life back. This is his story of his fights in the ‘Arena’.

Mercenary King Qin Chuan returns back to the city and is arranged by his finance to work as a security guard in the super department store.

Accidentally he is drawn into the struggle with the department store.

What is mine don’t touch, what is not mine you also put it down for me!

After three years continues the legend of the security guard. Watch how the little security guard dominate the city~

Temporary every day 9-11pm, morning 9 evening 5, weekends midnight.

- Description from Novelupdates