Radiant Rebirth: The Ugly-Duckling Turned Out A Powerful Beauty - Chapter 5183: You’ve really misunderstood me.

Enemy of the world, cursed by all, Kim Sungchul goes on a quest to prevent the ‘prophecy of the end’ from coming to pass.

But no matter how much he raised his strength, there were still some things he could not achieve with physical strength alone.

Resolving to obtain the power of magic, he goes into hiding to learn magic from his most hated of enemies, The Mages.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

Hector King, a man in his 50s, no family or friends to speak of, paralysed from the waist down due to a work-related accident. Now he lived alone with his pup Huskey.But one day, he mistakenly summoned Satan.“Ah, it's been a long time since I was summoned. You found my book? Good, what do you want? Riches? Women? Fame? Strength? Or perhaps, your legs? All at the discounted price of your... soul.” Satan offered.Hector, however, didn't need any of that. And so, his answer even shocked Satan, making that smug look disappear. “I... I want you to be my friend.”And from there, the friendship that would last eternity started, all at the price of Hector's soul....Year 2021,As a mortal, Hector died. But Satan decided to do something crazy, “F*CK IT! You're my best friend, I can't let you die. Hector, I am appointing you as Hell's Inquisitor, a position only under me.”...1935, EarthHector found himself in his old original physical body again, but he was now taller and buff.“I-I got a new last name? Hmm, it has a nice ring to it.” He muttered.He was, from then on, Hector King Washington.“WOOF!”And the good boy Moony was also there, bigger, buffed and more beautiful.