MTL - In the Future, My Whole Body is a Treasure - Chapter 19 Marshal can go

“Wang Cheng, we need to practice more!”

“No, I want to guarantee eight hours of sleep every day.”

…

“Wang Cheng, it’s almost nine o’clock, and you’re late.”

“Didn’t you go to work at nine o’clock? It’s still a minute away. Where’s the punch card machine?”

…

“Wang Cheng, what variety show do you want to be on?”

“Is there a fishing variety show?”

- Description from novelbuddy

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

One day, when a novelist woke up from a restless sleep,he realized that he had transformed into his 12-year-old self.

[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