Crazy Detective - Chapter 2: Miracle System

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

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

“Victor Kane, your life has been the easiest. Born into the wealthiest family, never having to work a day in your life, always surrounded by luxury, and never experiencing a single moment of misery. Even dying within seconds without an ounce of pain. I must say, it's interesting.”When even the gods had taken Victor to be the luckiest, his luck seemed to run out finally._______[Caution! A curse has been inflicted on the user.][Curse Grade: Celestial][Curse Description: The user is restricted to only tame insect species. Taming normal species will become impossible with this curse.]_______Reincarnated to the world of Beast taming where only the tamed beasts could keep your societal status. Theo was born with the curse to only tame ordinary insects.Follow his journey where he takes the help of the very simple and ordinary creatures to pave his path in the future.“Wait, what do you mean the Outer Devils arrive in metal ships and armored suits from beyond this world?!”Being attacked by space ships and Mechas, all Theo had was his tamed to fight against the danger.

Sometime after ‘Gates’ appeared in this world, humanity was divided into two: [User] and [ordinary human beings] Lee-kyung was able to awaken into a user and choose a [Class]…but, in momentary misjudgement, chose to be a [Necromancer], the worst of all classes.

Lee-kyung, searching for the materials to evolve his skeletal servant, ‘Lackey,’ was barely able to participate in a high-level raid for [Tower of Command] Dungeon. In an accident, he falls down alone to uncover a hidden conspiracy.

Injured and desperate to survive, Lee-kyung called out to anyone…and reached a vengeful spirit. “Please, I’ll do anything….Please form a contract with me and save me!”

–-You’ll do anything?….

TW: Depictions of mental health