Sayori is a character from the visual novel game Doki Doki Literature Club!. She is known for her cheerful and bubbly personality, often bringing joy to her friends. Sayori is the protagonist's childhood friend and is a member of the Literature Club, where she encourages others to express themselves through writing. Despite her upbeat demeanor, Sayori struggles with depression, which is a central theme in the game. Her character highlights the importance of mental health awareness and the impact of emotional struggles on relationships. Players experience her journey through various interactions and story developments.