In "A Girl Who Has a Biased Opinion of Me," a high school girl named Sakuraba holds an inexplicably strong prejudice against her classmate, Chiaki. Despite their initial encounters being completely ordinary, Sakuraba finds herself harboring intense dislike towards Chiaki, often going out of her way to avoid or belittle him. However, as they continue to cross paths, Chiaki remains inexplicably cheerful and friendly, even in the face of Sakuraba's hostility. As their interactions become more frequent, Sakuraba begins to notice the contradictions between her biased perception of Chiaki and his actual personality, leading her to question the root of her prejudice and the true nature of their complicated relationship. Through their daily interactions and unexpected shared experiences, Sakuraba and Chiaki navigate the complexities of high school social dynamics, challenging each other's perspectives and forcing them to confront their own emotions and biases.