She is usually the only character, other than the protagonist, capable of breaking up arguments, and is described as being paramount to keeping a relaxing atmosphere in the Literature Club. She is very clumsy and notorious for finding ways to accidentally hurt herself or to drop things. Sayori is portrayed as a talkative person, being very bubbly and kind.
Sayori's casual outfit consists of a pink shirt and blue shorts. She wears the normal school uniform like the other members of the Literature Club, but unlike the other members, Sayori keeps her blazer unbuttoned and her collar is crooked. Her eyes are sky blue and she is of average height and weight. Sayori has pale strawberry blonde hair with a shade of pink which is cut short in a slightly messy bob with a red bow on the left side of her head.