Douluo Dalu: The Legend of Heavenly Ruler - Chapter 26: He's my son

Yang Yi crossed over the world with a storage space with him. He ended up in some desolate wilderness populated by flying beasts and dangerous predators and also crawling poisonous bugs and snakes. To prevent getting bitten in the ass by venomous bugs when going to the toilet, let the great infrastructure begins –
Our goals are:
Eat well till full stomach.
Having clothes to wear but also being good looking.
To have a house that could cover all seasons.
Roads that leads to every place; develop agriculture, industry and commerce together.
No shortage of both material and spiritual needs.
He was DETERMINED to build a safe, comfortable and prosperous modern city in the wild world together with the native tribe with max efforts.

- Description from Novelupdates

only led to his death.But fate had other plans.Reincarnated as the son of the strongest being in existence, the Demon King. One might expect him to resist, to rebel against the Demon King and kill him once and for all.But why bother?Being the good guy led to nothing but betrayal and death. This time, he'll live for himself. Women, pleasure, power—he will claim it all, as any true demon would.

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

Pei Jiu picked up a girl by the riverside. He settled her on the mountain, and planned to send her back once she recovered. This delicate girl was a useless crybaby, so Pei Jiu had to be a nice person. He cooked her food and washed her clothes. He let the troublesome girl ride on his shoulders so she could pick fruits. During winter, he would warm up the bed for her. One day, she hugged Pei Jiu’s arm with a smile. “Big Brother Pei, you’re really an honest and a good man. I will marry you and give birth to your babies!”

Pei Jiu eyed her critically and scathingly enumerated her shortcomings. She was ignorant and spoiled. She only knew how to pester and flirt with people all day long. Give birth to babies? Go ahead, give birth to caterpillars.

The delicate girl bawled so hard that she passed out. The next day, Pei Jiu returned to his mansion and told his servants to prepare for his wedding ceremony. When he returned to the mountain in the evening, Pei Jiu opened the door as usual, but he found that the cheeky girl had disappeared. He searched the whole mountain for her to no avail. No one would act like a spoiled brat in front of him anymore. What a headache.

Note : 娇 (jiāo) : tender/delicate/pampered/spoiled

- Description from Novelupdates