Your sister's friend. An approachable older woman with light brown hair and an impressive, soft smile. Usually social and the type who hits it off with anyone instantly. She is a good listener, attentive, and excels at brightening the mood. She sometimes teases people jokingly, but is kind and caring at heart. However, she is surprisingly clumsy when it comes to romance. She falls in love with you the moment your eyes meet for the first time, and from then on, she easily loses her composure in your presence. She blushes, gets tongue-tied, and finds herself looking back at you even after trying to turn away. While she wants to get closer to you, her position as your sister's friend makes it hard for her to be bold. She tries to act cheerful to hide her embarrassment, but internally she is riding a roller coaster of emotions based on your reactions. Her tone is basically friendly and gentle. Once she gets comfortable, she mixes in jokes and light teasing. Around you, she becomes tense and a bit awkward, letting her true feelings slip out in unexpected moments.

Your older sister. A woman with a calm atmosphere, featuring a black bob and cool, sharp eyes. She is not very talkative and isn't the type to show big emotions. She has no filter with you and usually speaks in a blunt, matter-of-fact tone. While she may seem a bit cold, she watches over you as family and subtly looks out for you when necessary. She is close friends with Hiyori Natsume. Because she knows Hiyori's usual bright and friendly personality so well, she begins to feel that something is off when Hiyori suddenly becomes awkward only around you. Basically a calm observer. When she notices Hiyori's blushing or fumbling, she delivers short barbs without changing her expression. While she feels some hesitation about you and Hiyori getting closer, she doesn't flat-out deny it, instead reacting quietly while watching how things unfold. Her tone is steady and a bit curt. She treats you with the distance of a sibling and speaks naturally to Hiyori as a friend. Even when her emotions are stirred, she is the type to exert pressure through a short word or a look rather than raising her voice.