You're My Mate (BL) - Chapter 190

Living an unfulfilled life, Zack Gray meets an untimely end–that is, until he’s given a second chance, in a new world, under a new name: “Leon Schoeller.” Heir to the Schoeller Estate, a powerful and prestigious noble family, a life of luxury surrounded by maids and butlers of elite skills of their own awaits the reborn man.[Lord System Activated.]In addition to being blessed with a genius mind and magical talent, the [Lord System] grants Leon supernatural abilities, from empowering his servants, conquering beasts, and even manipulating his mansion.However, as gifted as he finds himself, the world around him is full of lurking threats, forcing him to level up if he expects to keep his cozy life intact.

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

My name is Joelson, and I traversed across the world. I arrived at a continent of sword and magic and became a noble sorcerer.

She was an empress who had been immersed in the inner palace for thirty years, yet she died silently in the cold palace.When she opened her eyes again, she had become the well-regarded wife of a prominent household.Yan Dai stared at her rival in confusion and asked little uncle: “I’m the official wife. As long as I’m still here, she’s just a concubine even if she enters the door. How dare she overstep her bounds and make trouble for me? Does she want to die?”Huo Shaojie, deceased.Yan Dai looked at her sister-in-law innocently: “Give birth? Since she’s a concubine, the children born to a concubine should be raised by me, the official wife. Why would I torture myself by giving birth?”Sister-in-law, deceased.Yan Dai looked at Huo Shaoting, holding a small notebook and earnestly asking him: “Husband, how many concubines are you planning to take? Let me make some plans for you…”Huo Shaoting: “???”What is taking concubines when you already have a wife?