Rebirth in One Piece as Deputy Captain - Chapter 451

The legendary mercenary Great Emperor, the “Forbidden God King” Ye Chenfeng, had returned to the city, sweeping away everything with an invincible stance.He had unveiled millennia-old mysteries, Atlantis, the Maya civilization, and the astonishing secrets hidden beneath the Himalayas...

If Xiao Yan had never lost his Dou Qi initially.If Yao Lao had died within the Soul Ring due to severe injuries.If Xiao Yan happened to join the Hall of Souls by chance.If a butterfly flapped its wings and altered the course of fate, how would the gears turn?“.... Who are you?”“Hall of Souls, Xiao Yan!”--------------------Worlds: Battle Through the Heavens, The Great Ruler.Tags: Action, Adventure, Romance, Harem, Weak to Strong, Clever Protagonist.Minor Tags: Comedic Undertone, Pets, Reincarnation, Kingdom Building.No System / No Prior Knowledge of the World.

She was a medical genius from the Noah Medical Academy as well as a drug producing specialist. After sleeping for three days, she had returned to the ancient era and become the loyal marquis palace’s ignorant and silly young miss.

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