Trapped In A Novel As The Breeding Mate For Four Powerful Alphas - Chapter 16: As for the answer to your question

Have you ever thought that the state of the world as it presently is, could revert to the laws of the ancients? When a series of strange incidents beginning with the disappearance of his friend led Luo Yuan to question the possibility of an apocalypse, he becomes embroiled in the midst of a global-scale chaos.

Evolution has turned the flora and fauna of the vast and bountiful Earth into something that had never been seen before. Coincidentally, the all-dominating Homo sapiens have ended up at the bottom of the food chain. From mystery to crisis, will Luo Yuan discover a means of saving humanity by racing to the top of the food chain? Or will he strive in accordance with the law of the jungle? It is the dawn of an age of the survival of the fittest.

- Description from Novelupdates

“Jiang Yu transmigrates into a novel and becomes a side character in the book.

The truant king Tang Xiaowan was poisoned and forced to hide in a secret passage.After escaping danger, she traveled to numerous cities. In the process of drawing out the mastermind behind the scenes, the truth gradually came to light, revealing that it all related closely to a certain plant.Tang Xiaowan had her own plans, not only aiming to save her life and succeed in academics, love, and career, but also to seek revenge using the other party's methods.

The protagonist, Inaka Yuuji, was run over by a truck because his awareness was dulled from overworking.

“Ahー, with this I don’t have to work so much anymore. I want to spend my next life leisurely……”

was the wish Yuuji blurted out. He met God and it was decided that he will be reincarnated in the countryside of the otherworld. He became Alfred Slowlet, 2nd son of a countryside noble. Will he be able to enjoy and leisurely spend his slow life in the countryside?