Naruto System in One Piece - Chapter 475: Unwelcome Guests

Blue Star youth Ning Shi accidentally downloaded a mobile game called “Zhu Century”.

“Di! The clone is created!”

Ning Shi has obtained a game clone, the clone will become stronger, and the main body will also become stronger!

“The clone has been exercising for 12 hours in the practice room, with +1 physique and +1 mental strength.”

“Clone the dragon to kill the dragon and get the blood of the dragon!”

“Use the Charm Fruit in one’s body, and the value of the face is +10!”

Doppelgänger traverses the game worlds one by one, creating forces and leaving legacy.

“The avatar has successfully communicated and conquered Alice, the Duke of Rose. Alice is about to arrive, please pay attention to the main body.”

Ning Shi:  …

- Description from novelbuddy

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

I had transmigrated to a world full of magic. To ensure my survival, I have to cross-dress as a female so I don't get in trouble. This is the story of me tackling everything that gets in my way.