Ryo Kazan is a playable character in Moonlight Syndrome and a minor character in The Silver Case. He is the younger brother of Kyoko Kazan, with whom he shared an incestuous relationship with. Jealous of this, Sumio Tohba had Kyoko killed. Ryo is later invited to the VIP room of the Lost Highway nightclub by Yayoi Itsushima, where she hands him a bag containing the head of his sister. Following the events of Moonlight Syndrome, Ryo gradually loses his mind until he attacks detective Tetsuguro Kusabi, who chases him into the Cauliflower building and shoots him to death.
Ryo in Moonlight Syndrome
| 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 | ||||||