The story features a team of four sleuthing sisters.
Kaho
Yuriko Sasamoto
Noriko Nakagoshi
Mari Sasamoto
Natsuki Kato
Ayako Sasamoto
Yui Ichikawa
Tamami Sasamoto
Namase Katsuhisa
Hideki Jonouchi
Shigeru Muroi
Kazuyo Miyamoto
Naoto Takenaka
Yojin Hino
Yoshimasa Kondo
Kumiko Aimoto
Takeshi Masu
Hisashi Yoshizawa
Yasuyuki Kunitomo
Fumina Hara
Toru Kazama
Mizuki Kato
Shiho Wakabayashi
Natsuhi Ueno
Naomi Kawashima
Aki Maeda