Clan Building System: I'm not the Protagonist?! - Chapter 39: Lin Feng.

Seven years ago, after their breakup, he disappeared without a trace.Now, he reappeared on the eve of her wedding, sparing no means in forcing her to marry him…With a certificate of marriage, he bound her mercilessly to his side.From there, this “Cinderella” began her journey as a wife of the business empire’s heir...Mrs Huo - composed, sharp-tongued, and freakishly smart.Mr Qin - wife-spoiler to no end and a complete “slave” to their daughter.Quality love story, one on one. You are welcome to get hooked on this story with us.

In the year 1368, at the end of July, deep crimson shall descend from the heavens.

- Description from Novelupdates

After dying prematurely from an incurable disease, Yuka Hikano finds himself in a mysterious realm filled with endless doors, each concealing divine gifts from powerful deities. He is not alone—others who have met the same fate of death stand beside him, unaware of the trials that await.They are put through various tests and eventually transmigrated into different worlds. But these worlds are nothing like the Earth they once knew.For Yuka, however, this apocalyptic world feels eerily familiar. It is a realm of endless war, devastation, and chaos—a world he once played in a game. Certainly not the kind of place one would wish to be reborn into.From infancy to adulthood, he must gather strength, knowledge, and allies to survive the horrors that lurk ahead. But when he awakens a system granting him a power beyond imagination, he soon realizes that blessings can also be curses.[You have gained Infinite Mana.]Infinite Mana...?What could possibly go wrong?

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates