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You're too smart for this world. by Eight_04
Fandoms: One Piece (Anime & Manga), One Piece - All Media Types
29 Aug 2026
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Summary
Marin was the smartest kid anyone had ever seen. She knows mathematics, biology, geography, chemistry, physics and many other sciences well. Even though she is 9 years old, she works as a detective and investigated the most complicated case. She's also a magician. Her soul control magic is considered the strongest and is recorded as a first-rank magic. In the world she lives in, there are demons that magicians and exorcists must exterminate in order to protect people.
Nothing foreshadowed trouble. Marina went to her room and flopped down on the bed. She was tired of all these parties and she wanted to get some rest. After a while, she felt a chill on her back and woke up in a completely different World, where the sea occupied more percent of the land than on her Land. She was mired in shock when she realized that she had entered another world while sleeping, "but who could have done this?". Realizing the problem after a few minutes, Marin, despite all this, wants to learn everything about the new world she has entered. Arriving in the city just a few minutes later, she meets another face — a freckled guy with an orange hat and black curly hair. It was Ace. And after a short time, they already get into trouble.