The Decagon House Murders
Takaaki Kawaminami
Kiyoshi Shimada
Koujiro Nakamura
Seiji Nakamura
"Ellery"
"Agatha"
"Leroux"
"Poe"
"Orczy"
"Carr"
Kyoichi Morisu
Chiori Nakamura
Kuniko Matsumoto
Masako Yoshikawa
Seiichi Yoshikawa
Kazue Nakamura
Osamu Shimada
