Among Pirates, I Am the Strongest Old Man

Li Changshou accidentally traveled to the world of One Piece. Unexpectedly, he traveled too early and became the elder brother of the Shigetsuki Yasu family. After Kaido and Orochi occupied Wano Country, he escaped from Wano Country and became a navy. Looking at the strength gap between himself and Kaido, he thought there was no hope of revenge in this life, until the system was activated on his 70th birthday... Li Changshou: Kaido should be prepared to accept the old man's wrath for 20 years... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.