Idle Mage: Humanity's Strongest Backer - Chapter 338 Detaching A Pin

“Future Occupation…Demon King.”

Sai Akuto enters Constant Magic Academy to be useful to society and to become a top-ranked national magician. However, a horrible prediction is made on his first day. Thanks to this prediction, the class representative girl hates him, a girl with a mysterious power embraces him, a female artificial human is sent by the empire to observe him, and his school life is otherwise thrown into chaos…

In a world of monstrous pirates and a corrupt World Government, a new power is rising within the Marines: “Black Hair” Roya. Reborn with a unique ability and a burning ambition, he climbs the ranks with shocking speed, leaving a trail of both fear and admiration.He inspires loyalty, yet manipulates everyone around him. He upholds justice, yet his methods are anything but just. He is a master strategist, a deadly fighter, and a charmer of powerful women.But what is his ultimate goal? Is he a savior who will reform the corrupt Marines from within, or a ruthless tyrant who will forge a new world order in his own image? The answer lies hidden in a sea of blood, ambition, and broken rules.---Get ready for your daily dose of One Piece: I'm Destined to Be the Son-in-Law King! ^_^ New chapters will be unleashed every day.Let's see how many chapters I can manage each day! Your support (and reviews!) keep me going! ^_^Enjoying this story? Be sure to check out my other translation projects too:- Naruto Paradise: An Evil Uchiha's Rise- Young Master, Please Become Hokage!This is a translation, I'm not the authorTranslator: Boundless_Beacon

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

Pei Jin is a black bellied prince. To outsiders he is a kind gentleman and always calm.