Briefly about The Genius Assassin Who Takes it All manga:
He is a successful author who has created a fantastic world with his novel.
However, he made a catastrophic error in the end, forcing the protagonist to reveal himself as a traitor and the world to be ruled by the demon king. He faced the anger of readers and regretted his decision.
Then he awoke in his own story, as the villain Shin Kang Ho, a vicious killer working for the demon king. He is five years before the disastrous finale and has the opportunity to alter the fate of the world. But Kang Ho has no intention of becoming a hero. He knows the world is cruel and greedy. So he decide to use his talent and knowledge to achieve everything you can, without caring about others.
Kang Ho will devour all the resources, rewards, skills and treasures he finds on his way. He will become the strongest and richest of all.
