MTL - Naruto’s Hidden Orphan - Chapter 219 Reverse Uchiha Madara.

A seafood chef inexplicably transmigrated into ancient times. Even though he landed in a family with a nobility rank, and theoretically was supposed to be rich, the most valuable thing in the house is a grey donkey…
Su Yu stared at the sky helplessly; in order to support the family, he could only take up his old profession and go out to sell fish.
Unfortunately, the royal family selected concubines from both genders. Even as a poor noble, he had no choice but to attend…
DISCUSSION TOPIC: Will I be selected if I display my fish-slaughtering skills?
“Meow!” His Imperial Majesty shook his tail.

- Description from Novelupdates

You have no memories. You don’t know who you are or why you’re here. But none of that matters.You are one of a thousand chosen, thrown into the Pantheon’s Ordeal, a brutal trial created by the gods. The rules are simple: survive, grow stronger, and uncover the truth about yourself. But this trial is not fair. The challenges will break you. The monsters will hunt you. And the people beside you? They are not your allies, they are your competition.Only ten will make it to the end. The rest will be lost forever. But if you survive, the gods will reward you with power beyond imagination.Now, fight. Endure. Remember who you are.Dune wakes up in a strange, empty place with no memory of who he is or how he got there. All he knows is that he needs to survive.As he faces dangerous creatures, humans, and tough trials, Dune starts to uncover fragments of his past. He meets allies and enemies, each revealing new clues about the mysterious world around him.Driven by a need to remember, Dune pushes through impossible, hoping to reclaim his identity and uncover the truth about world he’s trapped in.

Shi Yu, an Archaeologist and Mythologist, crossed into a foreign world where Noble Beasts were the mainstream.

SSR-ranked killer Mu Hui died in an explosion, only waking up to find herself transmigrated into the body of a vicious female supporting character in a book.