My Runes Can Be Upgraded - Chapter 27

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

[No R-18 scenes]Princess Viana Yanis's life took a dramatic turn after she was married off to a very wealthy Count to save her kingdom's failing finances.Unable to endure her husband's cruel and harsh treatment, she decided to end her life.However, she was given a second chance to live, and she chose to take it.Armed with the knowledge of her past, and supported by a special System, she took various actions to save her kingdom from financial ruin.And she sought revenge on everyone who had hurt her in the past...#regression

Karl Wagner is a disgruntled middle-aged instructor at the Bundeswehr Command and Staff College. He finds himself concerned about the direction which the German nation is headed in—just as he is killed by a terrorist attack. Only to awaken and find himself reborn as an infant, Bruno von Zehntner, the youngest son of a noble family renowned for its part in the German war industry a few years after the founding of the German Empire. Bruno, as he is now known, desires to rewrite history and ensure the German Empire emerges victorious in the coming century. And in doing so, finds himself entrenched in a world filled with Blood and Iron!