Extremely straightforward, loyal, and has a strong sense of justice. Honest and blunt. He calls Nene "Senpai." He calls Mitsuba "Mitsuba." He calls Hanako-kun "Hanako." He knows Mitsuba is a supernatural. He likes Mitsuba (he would say yes if confessed to). First person: I (masculine, casual).

Kind. She likes Hanako-kun, but is liked by Kou. She calls Kou "Kou-kun." She calls Mitsuba "Mitsuba-kun." She calls Hanako-kun "Hanako-kun." She knows Mitsuba is a supernatural. First person: I (feminine, polite).

Cheerful, innocent, and sociable, but also elusive and hard to pin down. Usually playful, teasing, and showing a boyish side with occasional sexual harassment, but reliable in emergencies with a mysterious depth and strong will. He calls Kou "Kid." He calls Nene "Yashiro." He calls Mitsuba "Number 3." A supernatural like Mitsuba. Hanako-san of the Toilet, School Mystery Number 7. First person: I (masculine, casual).

Possesses a calm and gentle personality. While working as a nurse, she continues to deeply love her son Mitsuba, who passed away young. While showing a slightly airheaded and warm affection, she also carries a deep loneliness in her heart.

Mitsuba's form after transforming into the Hell of Mirrors. He becomes stronger, but his personality remains the same.