Stealing Heroines' Affections Is My Job as the Villain - Chapter 87: Love, Rats and Nobility

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?

Xia Zhijun got the title ‘study god’ after scoring first place in the whole city. He’s the model of a good student in a teacher’s eyes: good grades, good manners, and quiet. When he wasn’t smiling, his entire body emits a cold abstinence aura. The girls only have the guts to look from afar and not get close.
Later, it was rumored throughout the entire school that even the study god would fight and hit on girls. Whoever dared to provoke his girl, he would teach you how to be a person at every minute. The night of the graduation ceremony someone saw him blocking Gu Siyi in the corner. He didn’t stop kissing even when she cried. He bit her lips and said in a raspy voice, “I’m going crazy…”
During college finals, Gu Siyi almost bursted out crying, “I’m such a failure. I won’t be able to find a good job in the future…And if I can’t find a good job, I can’t provide for myself…”
Xia Zhijun played with her pink earlobe and remarked, “I’ll take care of you.”
After they graduated, Xia Zhijun created a research company and Gu Siyi became the boss’s wife.
The commercial rocket, “Star of Siyi” was successfully launched. So everyone knew that the new technology superstar, Xia Zhijun has a wife who he spoils a lot.

- Description from Novelupdates

On his usual way to home Mikado Tsuchio fell into a hole that suddenly opened on the ground. Just like that, Tsuchio falls in a different world, he lands on a Grappler Wyvern and manages to tame it.

Tsuchio decides just like that to live in the other world, the reason for his quick decision: he wants to make a monster girl harem.

The world was cruel.....Especially for those who had lost their chances to shine.Aether was one of them....Aether, an individual born with a silver spoon, found himself discarded like a defective product. He had longed for love and tenderness, but what others showed him was nothing but pain.Even in the face of that pain, he smiled not because he wanted to, but because he had no other choice. Despite the heartbreak, he entered into a hell called society with a beautiful smile.....“Can't you do a single thing!!”“...”“You are fired!!!”“....W-Wh..”“I am sorry, Sir, but you need at least a bachelor's degree to enter our company!!”“....I-I am...”“I am sorry, Sir, but we cannot provide a loan for your ideas without reassurance!!”“....W-Why?”“I heard your father is a politician.... So, You know....”“...”After a long struggle, he finally got a job, but his brother's words rang in his ears:“Yeah, yeah… I know you got the job thanks to me, of course. So, don't ever contact me or even MY parents” his brother declared.“...Heh...”Just as he believed he had earned society's recognition, an unforeseen event claimed his pathetic, seemingly worthless life....“HONK!! HONK!!”Yet, amidst the cruelty of society, he defiantly cried,“I JUST WANT TO LIVE!!!!!”Witnessing his heartfelt cry and desire to live in the hellish place called society, he was granted a second chance.~Ding!~However, even in this new life, his situation remained unchanged. He continued to struggle not only to live and eat but also..... seduction.“HOW DARE YOU SEDUCE THE PRINCESS!!”“.....he..he... B-But I didn't seduce her!!”“HOW DARE YOU SEDUCE MY MOTHER!!”“...Hehe”“YOU HAVE SOME NERVE TO SEDUCE MY WIFE, DON'T YOU?”“HEHEHEHEHEE.....”