One Piece: Supreme Check-In System - Chapter 47: Voidreign Kingdom

Yuan Xi had a dream about a sexual encounter, only to discover after a night of pleasure that it had all been real. After being shocked silly for a long time, he ran away.

Who would have thought that a big grown man like him would become pregnant and have a son?

The question was, who is the child’s father? It had been too dark for Lao Tzu to see clearly!

Also, what was this daily life system that has been attached to him?

Farming Skill
Ranching Skill
Harvesting Skill
Cooking Skill
Building Skill
Skinning Skill
Sewing Skill
Smithing Skill

… There was a never-ending row of categories.

老子 Lao Tzu: A way of referring to oneself, usually in angry or joking situations.

- Description from Novelupdates

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates

They called him useless. A Class E farmer in a world where strength meant survival.Betrayed by the woman he loved, beaten by a power-hungry King, and left to die like trash, Isaac thought his story had ended.But death was only the beginning.Beneath the earth, sealed for thousands of years, a forgotten being awakens, an ancient force of ruin once feared by angels and demons alike. When Isaac agrees to its desperate offer, he doesn’t just survive… he becomes something else. Stronger. Colder. Hungrier.Now reborn with a forbidden power that rejects magic itself, Isaac walks the line between man and monster. Each time he unleashes the Abyssal Overdrive, his strength grows, but so does the Corruption threatening to devour what’s left of his soul.To protect the innocent, he must become the very thing they fear.To destroy the kings who shattered his life, he must embrace the darkness within.Enemies will fall. Secrets will unravel. And when the kingdom of Carreon learn that Isaac is still alive… it will already be too late.The world shunned him. Now, it will kneel.

A Count’s Daughter who lost in the running to become the Second Prince’s fianceé, Camilla. The Prince chose a Baron’s daughter as his fianceé, and the world blessed the two’s love as fated. On the other hand, Camilla who was tailored and elevated as the love’s villain in the end, as punishment she was made to marry a terribly fat and ugly man――called『Toad of the Swamp』from his appearance, a lord of a remote region named Alois.