(Age as of August 25, Showa 43) Shimanuma Denemon——The previous head of the Shimanuma family (deceased) Horinoyama Kinuyo—Sister of Denemon "Mrs. Uchiin" (deceased) Masako Shimanuma, the eldest daughter of Denemon (deceased) Tokuko Shimanuma - Fukuemon's third daughter (deceased) Miyako Mizono, the fourth daughter of Denemon (66 years old) (White House) Seiichiro Shimanuma—the current head of the Shimanuma family (Nosui) (main building) Shimanuma Luo - Seiichiro's eldest son (deceased) Haruka Shimanuma - Lu Fu's Wife (Deceased) Takuya Shimanuma - grandson of Seiichiro (23 years old) (main building)

Yajima Tatsuko - Seiichiro's eldest daughter, Takuya's aunt (49 years old) (main building) Keisuke Yajima - Tatsuko's husband (51 years old) (main building) Sari Yajima - Tatsuko's identical twin daughter (24 years old) (main building) Yajima Jasmine—Tatsuko’s identical twin daughters (24 years old) (main building) Shimanuma Sukako—the granddaughter of Denemon, twins with Kayako (46 years old) (Black House) Ishisaka Kayako - the granddaughter of Denemon, twins with Sugako (46 years old) (Black House) Yoshio Ishisaka - Husband of Kayako (49 years old) (Black House) Mizono Kura Miyuki - Miyako's granddaughter (22 years old) (White House)

Mizono Kura Ikutaro - Miyuki's father (45 years old) (White House) Shizuka Iwashita - Seiichiro's concubine (35 years old) Tokusuke Kuroda - Butler of the Shimanuma family (79 years old) Yoshiyuki Tanabe - Counsel to the Shima Numa family (deceased) Kyotaro Tanabe - Yoshiyuki's son-in-law (35 years old) Yoshiko Tanabe - Kyotaro's wife (24 years old) Keizaburo Yamashita - Physician Wang Zhi of Shimanuma Denemon (65 years old) Umeyo Yanagihara - Maid of <White House> (68 years old) Yanagi Hara Yoko - Maid of <White House>, Umeshiro's granddaughter (21 years old)

Kazue Okuyama - Maid of "The Black House" (22 years old) Kantoko Ushiyama - Maid of "Main Building" (53 years old) Kozo Iiyama - Great Chef (63 years old) Yahagi Kiyoshi - Sugako, Kayako's former nanny (?) Ishikawa Matsuko - Concubine of Chuanemon (?) Hans Engel - the original owner(?) of <Arrow Pavilion> Sirafina - Engel's wife (?) Olga - daughter of Engel (?) Master Debadata - Fortune Teller (deceased) Carl Snyder - soldier in Nazi Germany (deceased) Yasen Kenta, Kanko—the son and wife of Yahagi Kiyoshi Nikaido Mausuke - Police Department of the Metropolitan Police Department (49 years old)

Omori Minoru—Samtama Police Station, Chief of Investigation Division (59 years old) Kamura Kanjiro - Inspector of Santama Police Station (46 years old) Village Buyu Dog - Santama Police Department Criminal (26 years old) Ma Yuan Hachiro - Criminal of Santama Police Station (29 years old) Takuji Yamane - Deputy Inspector of Santama Police Station (42 years old) Shinuma Kawano——Deputy Inspector of Santama Police Station, Head of Supervisory Division (50 years old) Namikawa Rokudairo – Forensic Doctor of Santama Police Station (58 years old) Shibata Ryozo——Nagano Prefecture’s Nagano Police Station Police Department, Chief of the Criminal Section (58 years old)

Tsuneo Urakami——Interviewing Police Department Criminal Team Leader (47 years old) Kayama Shingo—Criminal Visiting Police Station (22 years old) Tatsumi Junichi——Deputy Inspector of Niigata Prefecture Nishi Police Station (26 years old) Hikojiro Kameda - Director of the Gojogi Police Station in Akita Prefecture, police officer (58 years old) Shunji Akikawa - Inspector of the Gojogi Police Station in Akita Prefecture (49 years old) Ishiyama Ginsuke - Criminal at Gojogi Police Station, Akita Prefecture (27 years old) Shinpei Tiansuo——Deputy Inspector of the Gojogi Police Station in Akita Prefecture (40 years old)

Ranko Nikaido - Protagonist (19 years old) Rito Nikaido——I (19 years old)