One Piece: Opening Mission: Rescue Ace

What is it like to travel directly to the war at the top at the beginning? ! Suddenly a system appeared, sending a mission to Zhou Yu to save Fire Fist Ace! Damn, this is just like sitting at home and traveling through time. Zhou Yu thought that since he was traveling through time, the system must have given him an invincible golden finger! Then is he invincible now? Just when he was about to show off his skills and start showing off, the system directly shattered his fantasy. System: Host, don't dream, even if you travel through time, you are still a weakling! What? ! Where's the promised golden finger? Others are invincible when they time travel, so why is he still a weakling when he time travels? Help! This makes him a helpless otaku, how can he fight on top to save others? Take your life? Warring States: Damn it, when did you get here? Ace: Hey, who are you? Why save me? It seems we don't know each other! Zhou Yu said he didn't want to either! But that damn system threatens him! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.