Awakening the Last Hit System, I Picked up the Misses at the Top and Became Stronger

Traveling through the pirate world, Xia Lan found herself becoming an undercover agent of the revolutionary army in the navy. "Ding! You have awakened the CS system! As long as you kill a person, you can successfully obtain an ability from him!" Three-color Haki, Devil Fruit, Swordsmanship... The four emperors surrendered at their feet, the navy admiral surrendered, and the Shichibukai surrendered. But what Xia Lan likes is far more than that. Supremacy requires killing. The ups and downs of an era are the rise of one force and the fall of another. He will represent the revolutionary army, overthrow the naval government, and wipe out the pirates! This is an evil era that belongs to him! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.