Inui, Sajuna

Sajuna possesses a petite, child-like appearance, smooth pale skin, pale pink hair, and large hazel eyes that are framed by an array of long eyelashes . She wears her hair half in pigtails and half long, and her clothes are a red serafuku (sailor suit) with a yellow bow, and long black knee socks.

Sajuna is rather headstrong and blunt, despite her child-like appearance. She has no problem with chiding others or speaking harshly when it comes to it, and can be quick to lose her temper as well. She is shown to take cosplaying seriously and loves dressing up as characters she adores. Despite her popularity online, Sajuna isn't interested in fame and admits that she only cosplays for herself and by herself.

Sajuna is willing to go to great lengths if it means getting what she's after. While blunt, she is perfectly capable of being genuinely polite and friendly, coming to get along with Wakana and Marin, and clearly caring for her younger sister, Shinju. She is shown to have a fear of thunder and scary places but does her best to try and hide it.

Furthermore, as a student attending an all-girls school, she is shown to be completely inexperienced with the opposite sex,

Sajuna is shown to have reluctance in expressing how she really feels about certain things, likening her to a tsundere.

(Source: Sono Bisque Doll Wiki)