MTL - My Inseparable House Guests - ~ Tomorrow and update

Cultivating his power by slaying demons and taming countless beasts, the emperor solidified his throne as the world's ruler. But not once in his life had he expected that his disciples would use research on demonology to sap the world tree's power and push the world to destruction.Trying to fix his mistake, he opted to use all of his cultivated power to cure the world tree and block anyone from sapping its power ever again. But in exchange, he was to lose all of his power.But...the worst had happened, his wife... had betrayed him.

“Why don’t wizards just shoot each other with guns?” many people on Earth wonder.When Reynard died on Earth and was reborn in a world of magic, he became nobody. He had no parents, no system, no special bloodline, and a magical aptitude that only let him advance in magic by consuming expensive materials. Materials that he could never afford!So instead, he crafted a gun.Oh, you want to cast a spell?Then I cast bullet!From the most hopeless student, Reynard turned into a feared magus. But his path to riches and power was still full of peril!“Ah… why can’t I just stop pissing off wrong people and seducing wrong girls?”

He praised her, “Wifey, you are a genius!”

The protagonist wakes up to a superpower one day, out of the blue! But there’s no organization targeting the protagonist’s superpower! The prettiest girl in his grade doesn’t turn out to be a psychicer like the protagonist himself! No door opens to another world and he doesn’t get summoned! There is no secret history in the protagonist’s past! There is no reveal explaining the protagonist’s sudden attainment of his superpower! So normal! Such overwhelming normalcy! He graduates from school and gets a job without anything happening! He lives as a mediocre working adult! Having enough power to fight against all of humanity yet not seeing anything happen finally makes him snap! Fine, be that way! If this is the way it’s gonna be, then I’ll make it! I’ll make the secret supernatural organization myself! Welcome to my manmade extraordinariness!