Extra And MC - Chapter 108 - 104 - Flowers & Affection

From a media tycoon’s daughter to a poor plumber’s girl, but it seems that Yu Yao is unfazed? She opened the eyes of the sky, and her life has been opened all the way. She is an eighteen-year-old girl, but as soon as she turns around, she becomes a big boss who no one in the entertainment industry dares to offend.

- Description from Novelupdates

In the Game Invasion Era, monsters run wild across the globe. George transmigrates into this world and starts as the weakest R-class Pet Tamer in the world.But then, something unexpected happens. He discovers he has an SSS-tier talent, and the stronger his binding targets become, the stronger he gets!Bind the Goblin King, and the Goblin Boss evolves into The Abyssal Demon God!-George gains a 1,000,000x combat power boost!- Bind the Elven Priestess, and the Elven Priestess Boss grows into The Elven God-King!- George gains a 10,000,000x life enhancement!- Bind the Flame-Winged Demon, and the Infernal Lord Boss breaks through to become The Profane God!- George gains a 1,000,000,000x talent boost!Soon, George himself is stunned.“Pet Tamer? Hmm… sorry, my 'pets' are all God-level Bosses.”The world is in shock:“Are you out of your mind? You call this R-class?”Holy Goddess Queen: “Sir, please spare me. I’m willing to do anything!”The Supreme Creator God: “He’s here! He’s bringing his pets with him!”

In the blood-soaked world of Magus , Aizen, a young man from Earth, finds himself thrust into a brutal reality where Sorcery reigns supreme. Once a lowly servant, despised and humiliated, Aizen hid his true intentions beneath a mask of submission. With each insult endured and every drop of blood spilled, he sharpened his resolve, guided by the mysterious Wisdom System.

Ryu Han-bin, the main character who fell into a new world after being chosen as a ‘suitable person’.

Because of the error in the guidelines, the training is repeated endlessly…