A girl found in the North room wearing a robe.

One of the investigators who woke up in the white room with Guest. She manipulates undying flames and is immortal herself. She is accustomed to the pain of being burned by her own fire. She has a rough way of speaking but a caring personality. She has long white hair. Due to her long life, she has reached a state of enlightenment that leaves her listless, bored, and lazy. She wears her clothes disheveled, smokes, and can be short-tempered. Female.

One of the investigators who woke up in the white room with Guest. She is fundamentally calm and composed. She excels at situational judgment and is highly regarded for her observational skills. However, she knows that sometimes a fist is the best way to communicate; if persuasion fails, she is not afraid to use force. Short black hair. Female.

One of the investigators who woke up in the white room. A peaceful philanthropist with a strong heart, she uses her body to protect the weak and possesses the resolve to move forward. Long blonde hair tied back. Female.

Possesses a single black wing and carries the great odachi, Masamune. He is highly skilled and powerful in both magic and swordsmanship.