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Sogo Inaba
  • Birthdate: November 7th.
  • Age: 27 years old.
  • Height: 5' 9".
  • Character Designer: Inui.
Sogo is a local private detective. Although he gives off the
impression that he is a calm and collected individual, in
actuality, he is a big fraidy-cat. Sogo instantly turns
obstinate and annoyed at any signs of the supernatural. Since he
is exceptional at reasoning, it unfortunately had eroded any
other useful life skills to ash.
Nina Arimura
  • Birthdate: August 8th.
  • Age: 17 years old.
  • Height: 5' 2".
  • Character Designer: Bonhie Lee.
Nina is a student in her second year of high school. After
school she acts as Detective Sogo's personal assistant. She has
a completely innocent nature which often makes her speak out
before thinking. Since her boss can be surprisingly inept at
times, Nina usually takes it upon herself to handle those tasks
in his place, whether it be doing housework or interviewing
  • Birthdate: October 3rd.
  • Age: 10 years old.
  • Height: 4' 8".
  • Character Designer: Manachu.
Kaede is a ghost girl who first appeared in The Mystery Files of
Detective Inaba No. 1. Through a variety of circumstances, she
was able to pass on peacefully. In finding peace, she has
returned to the energetic girl she once was. Kaede has taken a
liking to Nina and calls her "big sister." However, she doesn't
seem to like Sogo much and calls him "Mr. Weirdo."
Natsuki Ando
  • Birthdate: August 13th.
  • Age: 18 years old.
  • Height: 5' 3".
  • Character Designer: Iz.
Natsuki is a third year student who attends the same high school
as Nina. She is a strong-willed girl who says exactly what she
feels. She is very close with her friend Sasami.
Sasami Shibasaki
  • Birthdate: March 7th.
  • Age: 18 years old.
  • Height: 4' 11".
  • Character Designer: Shirogoma.
Sasami is a third year student who attends the same high school
as Nina. She is a timid tomboy who cries easily. She is very
close with her friend Natsuki.
Ren Ichinose
  • Birthdate: July 9th.
  • Age: 16 years old.
  • Height: 5' 5".
  • Character Designer: Uta.
Ren is a first year student who attends the same high school as
Nina. He is an exceptionally composed person and is fearless in
front of his upper classmates.