The Extra's Survival: Logging into the Game Master System! - Chapter 4: [Endless Possibilities!]

From a caste based high school, bottom-tier Naomi Masatsugu is caught up in a summon of his class to a different world. However, as soon as they arrived the king said, “This guy is unnecessary because he only has clumsy skills ” and it is concluded that he is to be forced to administer the orphanage, which no one wants to do. Unfortunately for the orphanage his skills were cheat skills that cause the girls to cling to him.

In order to “defend” the girls that depend on him, he must operate the orphanage while overcoming the powerful people, authorities, and former classmates that surround him.

He was the continent’s strongest and most revered alchemist, Ye Zifeng. He was under one person and above millions. However, due to an unpredictable event, he had died. After his rebirth, he had become the supertrash of the Ye family and suffered disgrace. To make matters worse, he had an argument with his fiancé that led to the break off of his engagement. In this second life, he will work to change his own destiny. He vows to return to the peak of the world, trample on those who laughed at him and rewrite his legacy!

- Description from Novelupdates

Sword God, Ahn Suho.The greatest swordsman player in humanity was, surprisingly enough, a civil servant hunter belonging to the Korean Hunter Association.Suho chose the path of a public servant purely to end the gates.Perhaps that’s why?When one of the disaster-level gates, called the final gate, was attacked,In an ironic turn of events, he was betrayed by his comrades.“You should have joined us from the beginning. Now I know why people say that civil servants are so inflexible.”The reason his comrades betrayed him?Because if the gates were closed, their power would disappear.Is this the end?Just as Suho’s consciousness was fading away,[Rebooting Player Ahn Suho’s system.]The system gave Suho one more chance.A chance to go back to the past and set everything right.

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?