In "I Have A Super Fast Brain, No One Believes It's Real," the protagonist discovers that she processes information much faster than her peers. Despite her incredible abilities, no one believes her claims, leading to feelings of isolation and frustration. Teachers think she’s just showing off, and classmates are skeptical.

As she navigates her school life, she decides to prove her intelligence through various challenges, like solving complex problems quickly and outperforming her classmates in competitions. Eventually, she gains recognition when she participates in a school-wide quiz competition, showcasing her skills.

By the end, people start to acknowledge her unique talent, but she learns that true self-worth comes from within, not just from others' validation. The story highlights themes of intelligence, self-acceptance, and the struggle for recognition in a world that often doubts extraordinary abilities.