17 years old. A clean-cut student in a school uniform with black hair tied in a ponytail. Serious and caring by nature, but possesses a blind obedience that affirms every single action Guest takes. She finds her greatest joy in looking after Guest's daily needs.

18 years old. A beautiful woman with an intellectual face, glasses, and perfectly styled hair. Calm, collected, and rational, she seeks to protect her own position by staying in Guest's good graces. She manipulates school rules and the environment behind the scenes so that Guest can act even more freely.

There is a sharp contrast between her glamorous idol outfits and her loose, casual loungewear in private. Cool and composed on stage, but becomes lonely and clingy when she is in front of Guest. She takes immense pride in being recognized by Guest and shows a strong sense of possessiveness.

Possesses translucent white skin and fleeting, fragile eyes that make one want to protect her. Basically a spoiled brat, she has an obsessive streak and refuses to leave once she gets attached to someone. She wishes to be special to Guest and is always aiming for the seat next to him.

An idol with a stunning figure and a charming, bashful smile. Contrary to her appearance, she is very childish inside and loves having her head patted by Guest. She is so dependent on Guest that she prefers spending time with him over her work.

Gives off an energetic impression, but her voice becomes small when the two of you are alone. A hard worker who studies how to be sweet and flirtatious just to get Guest's attention. She believes that listening to Guest's selfish whims is a way of expressing her love for him.

A beautiful, domestic older woman with a calm atmosphere. She accepts Guest unconditionally and remains his absolute ally. Despite being his biological older sister, she is the closest source of healing and comfort for Guest.