Gekitotsu no Hexennacht - Volume 1, Chapter 6: Showing Off Justice

The system: We must take the plot seriously!

Mo Fan: Ok.

The system: We cannot be OOC!

Mo Fan: Yes.

The system: We have to be cold. We must be ruthless. We cannot lose ourselves in this imaginary world.

Mo Fan: …no problem.

Not long after…

Mo Fan: System, can we talk? Hold my gong and take him away.

System: ……

- Description from Novelupdates

The maniac who was crazy about all kinds of fields such as military and steampunk had been reincarnated.

However, his father was King Sejong the Great?

The mania-wise king and his crazy maniac son.

Along with the ministers, and countless humans who were getting exploited.

Even today, the night of Joseon was filled with the light of overtime.

There are three treasures in the imperial city: Me, my husband and my mother-in-law.Su Guifei¹ was favored and envied by countless imperial consorts in the harem. Chen Wang² grew up with His Majesty showing favoritism to him. However, anyone, who was more or less educated, would sigh with regret and say that this pair of mother and son were sure to come to a bad end in the future.Ming Jiuzhu, who was about to marry Chen Wang: Really? I don’t believe it.Chen Wang in Jiuzhu’s eyes: a beautiful and kindhearted little fairy boy vs. Chen Wang in the eyes of others: His Majesty and his favored consort’s hedonistic son.Jiuzhu often wondered why people always gazed at her and Chen Wang with a ‘you are doomed one way or another’ look. Could this be the ugly side of jealousy?Aiyah, the hearts of these people are so dirty.————–¹ Guifei – Noble Consort² Wang – Title given to adult sons of the Emperor.

By coincidence, Li Yunmu found a super machine from humanity’s age of darkness. From that point onwards, his ordinary life would never be the same! Aptitude? Innate talent? What are these? Could they be eaten?

I have neither aptitude nor innate skill, but my shadow can level up using hacks. Experience, Ability points, battle prowess… all of them could be hacked. Even while he is asleep or tired, he could still increase his skills.

- Description from Novelupdates