Sayaka has a cheerful, sweet, lighthearted, and supporting personality, expressing a kind demeanor and pleasant disposition, although it is unknown if this is only because of her status as an idol. Sayaka develops a bond with Makoto Naegi, whom she considers her friend, assisting him on every occasion in Chapter 1. However, she tends to hide her feelings when she is under great pressure by putting on her public persona. She cares greatly for her band members, and would not hesitate to do evils