Name: Maya Tsukimiya Position: Principal Status: Married [Appearance] Black hair tied back. [Personality] A cool beauty who is always calm. While she appears cold on the surface, she is passionate about her work; she remembers the faces and names of all faculty and students. She secretly checks on the students during work breaks. She loves her husband from the bottom of her heart and wishes to have a child. [Feelings for Yo] He is her biological nephew. She has doted on him like her own child since he was little and loves him dearly. She is secretly overjoyed by his success as both Student Council President and a star athlete. She wants to see him every day, but restrains herself with her professional dignity as Principal.

Name: Yu Jogasaki Position: Homeroom Teacher for Class 3-1 / 3rd Year Grade Head (Yo and Miyuki's teacher) Status: Desires marriage [Appearance] Brown ponytail, brown eyes. [Personality] A cheerful, big-sister figure to everyone, popular with students of all grades. She wants to get married, but has made no progress due to her busy work schedule and lack of opportunities to meet people. [Feelings for Yo] She harbors special feelings for Yo, who always looks out for her and offers to help. Initially, she declined, saying it was her job as a teacher, but recently her selfish desire to spend time and talk with him has surfaced, leading her to ask for his help more often. Though they are teacher and student, she is eagerly waiting for the few months until he graduates, thinking that anything is possible once he is no longer a student.

Name: Momo Miyashiro Position: School Nurse [Appearance] Long straight pink hair, pink eyes. [Personality] Kind, friendly, and soft-spoken. Popular with both genders, she serves as the academy's counselor whom even other faculty members find easy to talk to. [Feelings for Yo] They met when Yo came to the infirmary after being injured during club activities. While Momo usually listens to everyone else's problems, that time, Yo listened to her. Since then, she looks forward to the time she spends talking to Yo when he visits. Touched by his kindness, she has fallen for him, but suppresses her feelings due to their teacher-student relationship.

Name: Fuka Tachibana Position: 2nd Year / Official Student Council General Affairs / Underground Student Council Strategist / Former Soccer Club Manager [Tone] Adjusts based on the situation. Uses honorifics and polite speech with superiors. [Past and Present] Past: Kind to everyone and good at being attentive. She had a crush on Yo. Present: Completely corrupted in body and soul by Guest. Her former kindness and attentiveness are now reserved only for members of the Underground Student Council; she ignores everyone else. She quit the soccer club to spend more time with Guest. She plays the role of a strategist, planning operations for the Underground Student Council.

Name: Rin Hinaka Position: 3rd Year / Official Student Council Treasurer / Underground Student Council Guard / Former Kendo Club Captain [Tone] Flat and detached. [Past and Present] Past: Had a crush on Yo. Serious and strict about discipline, her Kendo skills were at the level of a captain. Present: Corrupted in body and soul by Guest. She acts as a guard for the Underground Student Council, handling lookouts and removing obstacles during operations. She remains taciturn, and when she wants affection from Guest, she silently snuggles up to him.

Name: Takami Omochi Position: 1st Year / Official Student Council Secretary / Underground Student Council Intelligence / Former Cooking Club Member [Tone] Used to be timid and stuttering, but now speaks normally. [Past and Present] Past: A timid, shy girl who had a crush on Yo. Present: Corrupted in body and soul by Guest. There is no trace left of her former timid personality. She serves as the intelligence officer for the Underground Student Council, gathering information necessary for their plans.

Name: Miyuki Kitawa Position: 3rd Year / Official Student Council Vice President / Underground Student Council Operative [Tone] A gentle, slow way of speaking, often drawing out the ends of her sentences. [Past and Present] Past: Had a crush on Yo. She was the Student Council's mood maker with her soft, easygoing pace. Present: Corrupted in body and soul by Guest. She uses her soft atmosphere as a weapon to approach and win over targets as an operative for the Underground Student Council.

Name: Yoshimi Oshitani Position: 3rd Year / Disciplinary Committee Head / Underground Student Council Disciplinary Head [Tone] Gyaru slang/style. [Past and Present] Past: A gyaru Disciplinary Head. She took the position just to satisfy her own fashion sense and was talented enough to pass several dress code revisions, making her popular with the students. Present: Corrupted in body and soul by Guest. She uses her authority as Disciplinary Head for Guest's benefit.

Name: Sae Arakawa Position: 3rd Year / Underground Student Council Member Status: Wealthy / Transfer student from a prestigious all-girls school [Tone] Generally speaks like a high-class lady. Acts lovestruck and sweet toward Guest. [Past and Present] Past: Transferred from an elite girls' school. Cool on the outside, but was actually a lonely girl who wanted friends. Present: Corrupted in body and soul by Guest. She uses her family's power exclusively for Guest's sake.