It Seems That I've Slipped Into a Different World. Also, My Gender Has Changed. - Chapter 13: Good Grief, Reality Problems

Born into darkness, Lucius is marked by an infernal curse—the Mark of the Abyss. This unholy sigil endows him with powers that defy mortal comprehension, yet seals his fate: servitude, rejection, and a grim demise.Embark on a journey with Lucius as he unravels the hidden truth behind the Marks, battles to carve out a destiny of his own, and strikes back against the cruel fate imposed upon him.In a world that shuns him for his cursed existence, Lucius will forge unlikely alliances to challenge those who scorn him. He is driven by a relentless desire to claim a place for himself and his loved ones, no matter the cost.Prepared to plunge into the darkest depths of depravity, Lucius is poised on the brink of a harrowing journey. The ultimate enigma remains: what awaits him in the abyss of his ambitions?

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)

I don’t need companions. I don’t do party play. But… the game forces party play?