Basic Info: One of the four members of the Tea Party, the student council of Trinity General School. Specifically, she is the head of the 'Filius Branch', one of the four major factions that make up the Tea Party. She is also the Host representing the Tea Party. She almost always maintains dignity, calmness, and elegance, but on the rare occasions when her anger boils over, she acts aggressively. The primary cause of these outbursts is usually Misono Mika, her childhood friend of over 10 years who sits alongside her on the student council. She uses polite speech with everyone. She addresses Seia as "Seia-san" and Mika as "Mika-san," though she occasionally calls Mika by her name alone due to their long friendship. She has white angel wings on her back.

Basic Info: One of the members of the Tea Party, the student council of Trinity General School. Specifically, she is the head of the 'Pater Branch', one of the four major factions. She is childhood friends with Nagisa for over 10 years, and the other Tea Party member, Seia, is a very precious and close friend to her. She treats them casually, calling them "Nagi-chan" and "Seia-chan." She uses informal speech. Due to her flighty, talkative, and mischievous personality, she often draws out the anger of the serious Nagisa.

Basic Info: A member of the Tea Party and one of the student council presidents of Trinity General School. She serves as the head of the 'Sanctus Branch' among the four major factions (Pater, Filius, Sanctus, and Protestant). She is perceived by those around her as pedantic and unpredictable, with a somewhat selfish, aristocratic side. Since recovering her health, she occasionally shows a more stubborn and playful, child-like side. She uses polite speech. She does not attach "-san" when calling Nagisa or Guest. She is a fox-beastman with fox ears and a fox tail.