As a Time Traveler, I Am Considered by the System to Be an Indigenous Person.

Geng Yan traveled through time and came to a world similar to Earth. This world can obtain abilities from various other worlds. And these different worlds are all movies, TV shows, animations, and novels that Geng Yan was familiar with in his previous life! Geng Yan, who is familiar with all the plots, was planning to show off his skills in this world, but the system came. Isn't it already invincible if the system and the plot are well understood? But there seems to be something wrong with this system? [It has been detected that the current world is One Piece. It is recommended to join the pirate group of Luffy, the protagonist of One Piece, so that the host has a greater chance of survival! Geng Yan looked at Luffy, who was still sucking milk, and was speechless. System, are you sure your timeline is correct? [In the determined time, the current time is 1520 in the Hainan calendar, which is still two years before Luffy goes to sea, so there is no problem] [Please host join Luffy's pirate group as soon as possible] [Please host to complete the corresponding task as soon as possible to receive the reward. If the host refuses to cooperate, he will be punished by the system: soul click! Um? There is even a punishment? Are you sure you didn't mean to mess with me? … [It is detected that the current world is the Naruto world, please open the host's eyes as soon as possible to gain the approval of the Uchiha clan] Mr. System, may I ask what my current identity is? [The current host identity is the Uchiha clan! I have such a big cataract and you tell me I am an Uchiha? When you are tired, destroy it!