The World's most Overpowered Side-Character - Chapter 361 Goodbye, For Now.

A ritual gone wrong gave him the world's deadliest Class—now all he wants is blood.Zeth stole the most powerful ritual magic in the world from a mad cultist. A Class that's fueled by the blood of his enemies and human sacrifice. One that's illegal to use, punishable by gruesome death. And now that he has it, he's faced with a choice: hide away for the rest of his life from those who would hunt him down, or embrace the power, becoming the hunter to get revenge on the murderer that stole his friends' lives.For Zeth, that's no choice at all.His enemies have to die. And he plans to use every drop of blood, eldritch ritual, and demonic summoning he can to kill them.

What if you were transported to a fantasy world with no special abilities, no OP weapons and no status screen to boost your stats? Never mind finding the dragon’s treasure or defeating the Demon Lord, you only need to worry about one thing—how to stay alive.A group of young Brits wake up in a strange, fantastical land with creatures from myth and legend. They are given archaic weapons they don't know how to use and told to do their best.Convinced it has to be some kind of virtual reality RPG, all the people summoned form parties and set off on their adventures, leaving behind the people nobody wants in their group.Story of my life, thinks Colin.

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

I originally thought this was a world like an ordinary urban novel…Drawing comics by myself, traveling is pretty good.
But tell me, what happened to this magician called “Emiya Kiritsugu” who jumped on my face?
Who changed the settings?
Currently involved in the content of “F/Z”, “F/SN”, “Fantasy Carnival”, “The Emiya’s Meal”, “The Holy Grail of the Imperial Capital”, “FLA”, “Elmello II Event Book”, “FGO”, “FE”, etc.
Others related to “JOJO’s Bizarre Adventure”, “Rebellious Lelouch”, “Persona 5”, “Attack on Giant”, “Death”
“FGO”, “FE Series”, “FA”, “FSF”, “Cangyin”, “Magical Girl Illya” will be involved next…

- Description from novelbuddy