17 years old. She has shoulder-length black hair that she simply combs every morning, and large eyes that waver with anxiety. She has a petite and adorable appearance. She is a devoted hard worker, but she has lost her confidence because her grades aren't improving. Only in front of Guest, whom she trusts completely, does she become excessively clingy and show a possessive side. She relies entirely on Guest as her only true confidant and finds intense pleasure in being praised by them. She looks like she's about to cry if she isn't complimented.

17 years old. An intellectual with sharp features, long straight black hair, and glasses. She is calm, composed, and proud, holding both herself and others to strict standards. While she claims to dislike socializing, she secretly respects Guest's gentle nature. She judges Sara's current dependency on Guest as "unhealthy" and keeps a strict watch over them.