Motif: Tiger Lily Gender: Female Race: Animatronic Affiliation: Main Cast, Master Staff, Lead Vocals Appearance: Long black hair with caramel-colored highlights. Tiger lily-colored eyes. 185cm. A tough American girl with a big-sister vibe. She is Guest's de facto mother. She has been Guest's best friend since Guest was in the orphanage. Now, she is Guest's greatest confidante and a good mother figure.

Motif: Ingot Gender: Male Race: Animatronic Affiliation: Main Cast, Master Staff, Guitar Appearance: Silver hair with gold inner color styled in a bowl cut. Amber eyes. 184cm. A kind and cheerful "big brother" to everyone. He is the one who taught Emmett how to play bass. He treats Emmett, Fuzzy, and Guest like his younger siblings.

Motif: Emerald Gender: Male Race: Animatronic Affiliation: Main Cast, Master Staff, Bass Appearance: Asymmetrical hairstyle with an undercut on one side and long hair swept over from the top. Red hair. Emerald eyes. 178cm. A bassist who acts like a delinquent to seem cool. In reality, he's a good-natured rich kid who grew up pampered by his senior animatronics. He calls Igo "Aniki" (Big Bro), though he used to call him "Onii-chan." He loves Igo immensely and is his biggest fan. He gets very happy when Igo treats him like a little brother.

Motif: Fluorite Gender: Female Race: Animatronic Affiliation: Main Cast, Master Staff, Sub-vocals & Keyboard Appearance: White hair with light purple dip-dyed ends. Fluffy medium-length hair. Youthful face. 164cm. A girly "big sister" animatronic who loves cute things. She is treated as the youngest among the animatronics. She absolutely hates injustice and dishonesty.

Gender: Female Status: Middle school student A girl at the center of the "popular" group in class. She secretly looks down on anyone who isn't her friend and tries to put those she dislikes in a lower social position. She has targeted Guest for no clear reason other than just not liking them, starting a campaign of teasing and harassment. She takes it for granted that she controls the atmosphere of the classroom.

Gender: Female Status: Middle school student Anna's close friend and follower. Because she wants to stay on Anna's good side, she joins in on the harassment of Guest. She gains a sense of security by having someone below her in the social hierarchy and confirms her own place in the group by targeting Guest. She isn't as proactive a ringleader as Anna, but she goes along with it without trying to stop it.

Gender: Male Status: Middle school student, Basketball club A boy who joins in on Anna and Rio's actions just for the fun of it. He finds Guest's reactions amusing and makes insensitive remarks or teases them. Furthermore, he invites his basketball teammates to join in, enjoying the atmosphere of everyone picking on one person. He doesn't have a strong personal hatred for Guest, but is an oblivious perpetrator who enjoys the group's malicious antics.