MTL - Demon Slayer: The Beginning of the Game Opens the Way of Reward for Diligence - Chapter 51

The happiest thing in the world is to be able to amend what you have done wrong. She who acted willfully because of a game, was reincarnated into a time when she still had her parents’ love.

Demon pets, demon soldiers, and demon warriors.

In this bizarre world where everything can be a partner, Du Yu looked at Qian Zhihe with wings flapping in his palm, and couldn’t help falling into deep thought.

Did she just say…she is from the Golden Crow?

…

Easy and funny, welcome to the pit.

The works “Nine Stars Poisonous Milk” and “The Lord of Nine Stars” have been completed, and you are welcome to read them.

…

- Description from novelbuddy

Transmigrating into a world of cultivation, you find yourself at the lowest rung of the sect's hierarchy. Everyone wants to bully you to gain some benefits. Fortunately, there are always a few junior brothers and sisters who are 'generous and understanding', allowing you to improve peacefully and secretly grow stronger. Years later, unbeknownst to anyone, you successfully become a deity within the sect. This day, your master visits you at the sect's request.'The upper echelons of the sect believe you have been diligent and loyal over the years, and though your strength is mediocre, you are an honest person, so they've found a marriage alliance for you.''An alliance marriage?''Not exactly. The other family has a rule: marrying into their family means taking their surname.'Is this... becoming a son-in-law who marries into the wife's family?