Kyoko Kazan is a character in Moonlight Syndrome. She is Ryo Kazan's sister and lover. She dated Sumio Tohba but loved Ryo more. Because of this, Sumio makes a contract with Mithra which causes Kyoko's death, causing the events of the game. After her death, her head is kept in a paper bag by Ryo. Her head also appears being carried by Ryo in The Silver Case.
| The Silver Case characters | |||||||
| Protagonists | Akira · Tokio Morishima | ||||||
| Heinous Crimes Unit | Sumio Kodai · Tetsugoro Kusabi · Chizuru Hachisuka · Kiyoshi Morikawa · Morichika Nakategawa · Shinji Kotobuki · Sakura Natsume · Kenta Mikoshiba · Riley Kawabata | ||||||
| Other agents | Daigo Natsume · Kenichi Sakamoto · Haruhiko Inomata · Ryu Munakata · Mokutaro Shiroyabu | ||||||
| Antagonists | Kamui Uehara · Ayame Shimohira · The Bat | ||||||
| Lunatics | Ryo Kazan · Kyoko Kazan · Rumi Tohba | ||||||
| Decoyman | Yuriko Sonoda | ||||||
| Spectrum | Koichi Sugata · Hikaru Kobayashi | ||||||
| Parade | Daikichi Sakaguchi · Michiru Kosaka · Hiseki · Fuyuki · Chairman Yukimura · Riru Yukimura | ||||||
| Kamuidrome | Tomonori Furuya · Sayaka Baian | ||||||
| Lifecut | TRUMP · Nezu | ||||||
| Placebo | Red · Erika Yukawa · S. Inohana · Bartender · Slash · Umenosuke Hachisuka · Catherine | ||||||
| Administrators | Kaoru Hachisuka · Sundance Shot · Daizaburo Kai · Marionette Mother | ||||||
| Face | Minato Sawaguchi · Chinami Otomo · Kana Makino | ||||||