Manga wo Yomeru Ore ga Sekai Saikyou ~Yometachi to Sugosu Ki mama na Seikatsu~ - Chapter 36: Papa and Mama and Grimoire Genie

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

Intelligence without ambition is like a bird without wings.

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

Su Yao, who was clearly a real daughter but died, was reborn.

In her last life, she swallowed her anger, and then she was cruel and cruel.

No one would think it would be too fishy to suck her blood.

Once again, she will be the last month, crowned with pearls, shining brightly.

Someone followed behind her while digging a hole for her, and painstakingly persuaded her:

Without so much effort, do you see the crown on my head?

You are the most gorgeous one above.

- Description from novelbuddy