I Am the Nanny of the Villain - Chapter 73:

The Special Investigations Unit is a covert organisation that no-one in the city knows about, dedicated to investigating bizarre occurrences beyond the comprehension of the living. The Chief Zhao Yunlan isn’t a simple guy either, being the inheritor of the Guardian Order, he has always been a righteous conformist, excelling between realms of the living and the dead. While investigating a school suicide case, Zhao is attracted to the calm and reserved Professor Shen Wei, but the Professor seems to be rather fickle towards him…

- Description from Novelupdates

What are you going to do when you pass through another world?

Yalin(MC): Perhaps, many of those seniors who passed through another world would like to use violence to solve their problems, but I like to control the fate of a country with economics and races with faith, I use benefits to instigate others so that I profit, and even making them take risk for me without them even knowing. In each country the highest is the king and behind the king is a string that is attach to my hand, for I am their puppeteer.

Yalin(MC): Certainly the credit does not only belong to me, I must give my thanks to the great knights and their leader Zero(Code Geass). The supreme master of blood, the moon princess(Tsukihime), the black and white princess, and also my ‘good friend’ called by his title the ‘God’s left eye’, president of the neutral autonomous city. Finally I must give thanks to my loyal and competent subordinates!

- Description from Novelupdates

In a world of countless schemes, where you are being manipulated at every moment,often without even knowing it.A world where you can't be sure if what you see is reality… or just another illusion crafted as part of a deeper scheme.This is the story of someone who survives it all kind of schemes both small and vast, some he understands, and others he never even realizes.Even he, who is constantly being schemed against, crafts schemes of his own against others.This is a world ruled by deception and Yuan will persevere it, shape it, and rise through it.------------English is not my native language, so please understand if there are any mistakes