Ryūsui Seiryōin Biographie Auteur de romans policiers et de textes pour manga. Contributions de Ryūsui Seiryōin Auteur Vol. VI, Detective Ritual T06 Ryūsui Seiryōin, Eiji Otsuka, Chizu Hashii Vol. V, DETECTIVE RITUAL T05 Ryūsui Seiryōin, Eiji Otsuka, Chizu Hashii Vol. III, Detective ritual 3 Ryūsui Seiryōin, Eiji Otsuka, Chizu Hashii Vol. II, DETECTIVE RITUAL T02 Ryūsui Seiryōin, Eiji Otsuka, Chizu Hashii 12,00 Vol. IV, Detective ritual 4 Ryūsui Seiryōin, Eiji Otsuka, Chizu Hashii
