Rebirth in One Piece as Deputy Captain - Chapter 73

Ye Qinghan, young master of the powerful Ye Family, gets ostracized when his peerless father meets an unfortunate end. Lacking strength and in a bid to live a Purposeful life, he suffers through the unending ridicule, bullying and torture dealt to him at each turn. However fate is a cruel mistress and offers only pain and misery with no end in sight. Broken, weak and distraught, Ye Qinghan embarks on a journey to usurp the hands of fate and attain strength to protect his own.

I have clairvoyance, and I can see antique treasures no matter where they are hidden. Is there anything else in the world that I can’t go to?

- Description from novelbuddy

He hated everything I was, but I searched for affection in every cruel glance he gave me.“There were so many things I wanted to say to you, but even writing them feels impossible. Because I know that if I were to put down the words I keep in my heart, you'd only say it's natural, after all, I’m just a stupid, self-centered person, like you often said.But I'm not. And that’s why I won’t bare my heart to someone who never truly knew me. Because... you wouldn’t trust the sincerity of a stranger. Right?But I did.You were the stranger whose sincerity I believed in.So I’m stepping away from being the person who embodies everything you hate—because I hate those things too.Maybe in another life, I’ll get to tell you who I really am.”

After dying in laboratory tests, Klaus transmigrated to a Sorcerer World, in a strange and peculiar character whose existence is an enigma. He knew this world, for it was the world of the novel one of his students wrote. He also knew the character because he created it. But it was a discarded character; it never appeared in the novel. How could he have transmigrated in it? Reality hit him soon after when he was sent to cross through the first test that every sorcerer must pass to awaken his abilities. There, he will have to fight against powerful monsters, which they call Curses, and against other Sorcerers, all to try to enter the select group of Sorcerers to discover the secrets that await in this world and understand his arrival to this and his existence. Just when he thought his journey might be boring, he received a peculiar and mighty power bordering divinity, capable of making him reach unimaginable heights. Although a bit dangerous...