One Piece: Dream of Immortality - Chapter 7: Thorns

A man found himself mysteriously reincarnated into the universe of Against the Gods.The good news: He was conscious from the moment he was a sperm.The bad news: His parents died when he was born and he was left in the wilderness to die.The good news: He was saved and adopted by the Medical Saint, Yun Gu.The bad news: His master was killed by some villains who wanted to steal the Sky Poison Pearl.The good news: His genius is almost frightening!

As he woke up, Wei Xuan realized he returned to the day when the apocalypse had just begun. Wei Xuan, who had a second chance at life, immediately decided: not to go to a survivor base, and not to return to human society, instead, there is only one thing he wants to do now. Find the half-zombie Du Hang, and live with him in the city full of zombies, farming and living together until old age. Wei Xuan, who stayed in the zombie city after being reborn, unexpectedly found out that zombies are not as terrible as humans think…

- Description from Novelupdates

Kurt was born to a poor Baronetcy of Arnold. He was a genius pastry chef in the previous world.

When Kyran turned 18, his life turned upside down.

The Royal Army raided his clan because his supposedly non-existent magic got exposed. On that fateful night, he was the only one who escaped.

Up to the present, the status of his clan was unknown.

A magic inheritance that became a curse, Kyran became a fugitive. Always on the run... living in fear when the Royal Army finally captures him.

At least that's what most people thought...

“I'll definitely save my family. And I will make all those who made my clan suffer pay tenfold. I'll make use of this magic they so feared, and show them what real terror is....”