Devil Fruit Era: Top Double Fruits at the Beginning!

This is Blue Star, but this is not Blue Star. This is Blue Star after being invaded by the One Piece world! There are three colors of Haki, six styles, sword skills, and a wide variety of devil fruits! Countless monsters invaded along with it! Zhou Yuan, who came from time-travel, happened to time-travel into Zhou Yuan who had just entered the awakening space, and unexpectedly gained the ability of double fruits! It is also the awakening of the destiny-changing system! As long as you complete the challenge tasks in the system, you can improve your talents and strength! "This era is full of turmoil, respect me!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.