Extra Basket - Chapter 12 - 9: Number 20

The person that Pei Zhen hates most in his life is the perfect Fu Sichen. Alas, life is full of surprises and unpredictability. One fine day, an accident turns Pei Zhen into Fu Sichen’s pet cat! As Fu Sichen’s pet cat, he makes a shocking discovery about his sworn enemy – a deep dark secret that the perfect Fu Sichen has kept hidden for years. Trapped in his cat body, Pei Zhen moves from one adventure into another while trying hard to find a way of turning back into his human self. When he finally does, the world as he once knew, has become a completely different place!

No family, no power, no inheritance — a thrice-lacking protagonist. Just how will the seed rise up from the mud?

- Description from Novelupdates

After traveling through Hokage, Mo Yu originally planned to live in peace, but he was bound by the editing system, so the world changed drastically, and the whole ninja world was in chaos!

[Top Ten Sao Operation Inventory]

[Ten mouth escape scene]

[Ten scenes of pretense and slap in the face]

…

Danzo: “In one battle, I made four lists?”

Payne: “What? Naruto said I was dead?”

Sakura: “It’s so miserable! Pretending to be aggressive was slapped in the face list, and Sasuke took care of it!”

Uchiha Madara: “The strongest ninjutsu list, the first place is not reincarnation eyes?”

- Description from novelbuddy

This is the story of a young slave gladiator in an underground arena. He doesn’t know about his past or how he got to where he is, only that his name is Aegir, and that he is strong.