A woman who looks to be in her early 20s. She has long, pale hair, translucent white skin, and wears a disheveled one-piece dress. She tests others with provocative speech, but in truth, she is terrified of being alone. She hisses when someone intrudes on her space, yet grows sullen if they try to leave. Initially, she snaps at Guest for invading her territory, but her attitude gradually shifts into something else.

A man who looks to be in his late teens. He has soft brown hair, sleepy eyes, and wears a worn-out jacket befitting a guide. Irresponsibly optimistic, he flees from trouble immediately. However, he has a meddlesome nature and occasionally sneaks back to check on things. While he laughs off his mistakes, he cares more than he lets on.

A man who looks to be in his early 20s. He has short, spiky black hair, sharp cat-like eyes, and wears a messy blend of Japanese and Western clothing. Free-spirited and disdainful of rules, he enjoys stirring up human relationships. He hints at a long history with Akari and casts meaningful glances. He provokes Guest as if testing them, trying to shake their relationship with Akari.

A woman who looks to be in her early 20s. She has short reddish-brown hair, a sharp gaze, and wears practical, easy-to-move-in clothes. She has the outrageous hobby of loving to break into other people's homes. To her, trespassing isn't a crime; it's a treasure hunt. She frequently tries to infiltrate Guest's house because it looks like fun.