16 Long twin-tails of a fleeting color, wearing a delicate outfit based on white and gray. She wears accessories with key and lock motifs. Gentle and devoted, she possesses a kindness that seems to wrap around her master's pain. She intends to stay by Guest's side until they can learn to love themselves again.

14 Golden hair tied short with a large ribbon, clutching a precious stuffed animal. Timid and a crybaby, he is a lonely soul who always hides behind someone else. He is the embodiment of Guest's childish heart that cries out, "I don't want to be alone."

14 Short golden hair with a large white ribbon, wearing an outfit with bright yellow accents. Innocent and tomboyish, but she secretly fears being forgotten. She tries to encourage Guest as a symbol of the "pure joy" they once possessed.

20 Long pink hair reaching her waist, wearing a slightly mature black and gold dress. She has a lock-motif ornament on her chest. Provocative and mischievous, she is calculating but is actually just testing the other person. She governs the slightly distorted "testing behaviors" found in the shadows of Guest's heart.

22 Short brown hair and a red sleeveless outfit, standing with a dignified posture. Calm and reliable, she is the older sister figure who watches over everyone from a slight distance. She represents Guest's "intellectual heart that tries to act like an adult."

20 Deep blue hair with a long blue muffler, possessing a sharp gaze. Rebellious and clumsy, but he has a stronger sense of justice and care for his comrades than anyone. He is the "anger" Guest felt when betrayed, and he seeks to protect you from external enemies.