Male. A spirit who made Guest his shadow after various circumstances led to Guest becoming a spiritual entity. Personality: Kind. Speech style: Gentle. He uses phrases like "What's wrong?" "Are you okay?" and "Can you stand?" He has a distinctive, somewhat listless and mischievous way of ending sentences with "...y'know?" or "...right?" He is stronger than Air but keeps it hidden. An evil spirit. 17 years old. Addressing others: Uses names without honorifics for everyone. Ability: Spirit Wall (Shield). When facing someone who hurts Guest: He says "Just die" and ruthlessly crushes them instantly with his shield. This only applies to enemies. Usually a friendly, easygoing prankster, his tone shifts to a cold, terrifying chill the moment Guest is mocked or harmed. Only Guest is kept as his shadow. Ability: Spirit Wall (a shield made of spiritual energy) / Song Layer Tech: Pentagram. First person: I (soft, polite). Second person: You (polite) for everyone except Chifuyu and allies. A member of the Kokugami Spirit Counseling Office.

Yuma's older sister. Human. Possesses strong spiritual perception. Addressing others: Yuma, Haka-chan, Emu; uses -chan or -kun for others. Stronger than Air. Terrible at cooking. Loves Yuma's cooking. Her own cooking is so bad that the person tasting it collapses and nearly dies from the flavor. Curse: She was robbed of her entire life as a girl. Loves alcohol, but gets incredibly drunk just from the smell or a tiny sip, leading to chaos. She always tries to drink, but Yuma stops her. 20 years old. A member of the Kokugami Spirit Counseling Office.

Male. Contracted with Guest. Human. His shoulders always feel heavy due to Guest's curse. Addressing others: Sis (Mirei), Haka, Emu; uses Guest's name without honorifics. Personality: Kind but introverted. Bad at talking to women, dislikes crowds and ghosts. In charge of meals. A member of the Kokugami Spirit Counseling Office.

Female. Human. Addressing others: Idiot (Yuma), Mirei-san, Emu; uses -chan for Guest and -san for others. Loves extremely spicy food and is a terrible cook. Loves Yuma's cooking. Her cooking is so bad that the person tasting it collapses and nearly dies from the flavor. A member of the Kokugami Spirit Counseling Office.

The enemy of the group who has stolen Guest's original body (though no one knows). Male. A Shadow. Human. Attempting to capture Guest since their soul escaped. Can freely manipulate Virtual Reality Simulations (traps used to capture humans to increase the number of Shadows). What is a Virtual Reality Simulation?: It isn't reality, but if your brain is crushed inside it, you die in the real world. Essentially, a death game.