Accidentally Married A Fox God - The sovereign lord spoils his wife - Chapter 15 Disappointmen

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

The Immortal Dao is ethereal, and Immortals are hard to find.

Li Nianfan had descended into the cultivation world as a mortal. After learning that he has no hope in cultivation, he only wants to live a peaceful life.

However…

The dog he adopts becomes a demon king of a generation when it sees his poems and paintings. It manages to suppress an entire world.

The tree he plants behind his house becomes a World Tree after listening to his zither music, forming a bridge between heaven and earth.

He meets a passerby who is enlightened by him and becomes an immortal sage who leads an entire generation.

When he looks back—

It turns out that the scholar who had been pestering him for his calligraphy and paintings despite having crappy chess skills, is a chess saint from the Immortal Realm. The beautiful woman who comes to listen to his music every night is the number one saintess of the Immortal Realm…

Zhong Yuhuan had transmigrated into a book and became the female supporting character who was destined to die an untimely and tragic death. Coincidentally, her family adopted two boys — the male lead and the villain of the book!

The male lead of the book would become a superstar in the show business and the villain a super successful and powerful businessman.

Zhong Yuhuan thus began her life of raising the male lead and the villain while faceslapping other scums. She would grow up quickly and live the life of the rich and powerful Mary Sue!

- Description from Novelupdates