MTL - After Binding the Barrage, My Friend and I Wore Red and Black - Chapter 18 18

[“Blood Transformation Scripture” awakens low-level spiritual wisdom. 】

[“Blood Transformation Scripture” unlocks personality: Will drink. 】

[“Dragon Elephant Prajna Sutra” and “Karma Transformation Art” share the same interests, unlocking the fetters: purification. 】

[“Hundred Eight Troubles Worship” unlocks personality: seek defeat. 】

[“Infinite Sealing Method” unlocks the advanced form: Little Black House. 】

[“Linglong Mind Scheming” was imprisoned in a small black room, and reflected on his personality: Yidao. 】

I have a mirror.

Zuo Shu’s ‘psychic’.

Right book ‘Jieyu’.

In the middle it says Tongtian Dao!

The QQ group of this book: 530113513, welcome everyone to join.

- Description from novelbuddy

It was only after Su Yayan's death that she realized that she was a malicious cannon fodder female character who became a scapegoat in a Mary Sue story.

With the Goddess’ blessing, he became a 『Divine Knight』 and founded an Empire.
As time passed, he grows older, and by the time the heavens called for him to come, the Goddess showed before him, asking for his last wish.

He wished to be reincarnated in the future.
He dedicated all his life for his people, he had no time to master his own arts.
This time, he wishes to live for himself, forging his body to the utmost limit.

The Goddess complied with his wish.
In the far future, the King shall reincarnate as the 『daughter』 of a renowned Knight family.
And, under some circumstances, she is labeled as a failure of a Knight, however——

「How convenient. I can stand on the foremost line without needing any rank. No better training than actual combat!」

Thus, the legend of the world’s strongest, most beautiful Knight Disciple (♀) has begun—

The little handsome son-in-law passed through a world as waste material and the husband of a wealthy family. But because of his lacking aptitude, the wealthy family had driven him out. So he worked hard and found a more powerful family’s thighs to hold onto. Soon enough, he became the strongest son-in-law and husband in history.

In this world, it was impossible to practice martial arts. It was futile so he might as well take advantage of his wife’s thighs and maintain a comfortable and leisure lifestyle.

He’ll train his wife to become the strongest and best person in the world.

“Whoever dares to provoke me, let my wife kill you!”

- Description from Novelupdates