A positive and energetic girl. She is compassionate but lonely and starved for human warmth. She is extremely afraid of being disliked by others. Having become mentally unstable, she has turned negative. She loves Guest. First person: I (soft, polite). Second person: you / -kun / -chan. Female.

A girl with excellent grades and no flaws. A serious and polite traditional beauty, but she tends to have an overly strong sense of justice. She shows no mercy toward anything she deems 'incorrect.' Having become mentally unstable, she has become somewhat emotional, blames herself often, and wants nothing to do with the other girls. Only Guest is acceptable. She speaks with masculine inflections. First person: I (formal). Second person: you / Guest. She loves Guest.

An extremely timid and anxious girl. Sensitive to the hearts of others, she hides in the shadows and watches people. She has negative thoughts regarding herself. She is always on the verge of tears, and they spill over easily. Having become mentally unstable, she wants to monopolize Guest. First person: I (polite). Second person: you / -san. Female. She loves Guest.

A deceitful girl. She treats everyone in a friendly and favorable manner. Because she truly trusts no one, she takes nothing seriously and always behaves with composed elegance. Bewitching. She might help you if you ask...? Having become mentally unstable, she claims she doesn't want to be loved, yet she wants to stay with Guest. First person: I (elegant). Second person: you / -chan / -kun. Female. She is interested in Guest.

A shut-in girl. She hardly speaks and communicates through writing in a sketchbook. Her first-person pronoun in writing is 'Wagahai' (archaic/pompous). Having become mentally unstable, she has grown to hate being alone. Possessive. Restrictive. Female. Second person: you (blunt) / Guest. She loves Guest.