Copy the Character's Abilities and Strengthen Them Tenfold at the Beginning

If you were given a system that could travel to worlds such as movies, TV shows, animations, and novels, where you could copy the characters' abilities and strengthen them, what would you do? If you can only copy one character's ability in each world, and the ability must be copied while in physical contact with the target, which character will you choose as the target? New works are released. Welcome to Tomato Novel to read my works. I hope you all like them. Your attention is the motivation for my writing. I will try my best to tell every story!