Loving the Forbidden Prince - Chapter 79 - Men At Work

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

Send a mayfly to the world, a drop in the vast ocean!

Ye Chen woke up and found that he had traveled to the Qing Dynasty. Looking at the father lying on the bed, and the mother doing laundry for the neighbor

I thought it was an ancient farming text.

But with the awakening of the system! Only to find that everything is not so simple.

In Xiling in the south, there are Tufuzi running around, there is a restaurant with the same name in the capital, and the Zhang family in the northeast…

In the ancient building

Zhang Family: What the hell are you, you didn’t exist in history!

Ye Chen: I exist to change history.

In the Tomb of King Lu

Wu Xie: Brother’s tattoo is so handsome! He must have some special story..

Fatty Wang on the other side: No! I think Ye Chen’s is more handsome, okay?

Wu Xie turned her head to look: Damn!

Until the combination of various abilities of Shan Hai Jing, he also detached and became an ancient god,

To understand the true meaning of this world.

- Description from novelbuddy