MTL - The Roots of Manga - Chapter 35 chaotic

A modern Japanese man reincarnated into a game as Welner von Zeavert. Though he reincarnated as a noble’s son, he is neither the main character nor the hero of this world. He become someone who didn’t even appear in the game.Plus, with only [Spearmanship] as his skill, he can’t even join the hero party to clear main story.His small advantages are the fact that he became the hero’s friend and his father’s rather high status. He’s nothing but a supporting character of the story.He noted the game story that he knew from his past life, used it, along with his authority and influence as a noble, to survive from demon king army.But, without realizing it, the knowledge from his past life and his memories of the game story affected the world. He saved people that should have died and took care of events that didn’t appear in the game.With that, he carved history of this worldThis is not a story about the hero. This is a story about struggle and effort of a young noble.

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates

Wu Lai was an ordinary high school student. One day he was struck by a flash of lightning from a different world, and suddenly entered a fantastic world full of magic and swords. Since then, he started a totally new life. In this supernatural world, he had his ups and downs, experienced numerous battles, subdued powerful evil beasts, and fell in love with a belle. His nickname “Demon King” was remembered throughout the ages there.

Stay or return was a question. In the face of this choice, Wu Lai, with the nostalgia and gratefulness for the original world, finally chose to stay…

Here was the legend of “Demon King”…

- Description from Novelupdates

This is the world of Spirit Beasts where humans can forge contracts with Spirit Beasts or command them in battle, or har...