Otokichi Mukojima (向島 音吉 Mukōjima Otokichi) - aka Otokichi Higashikunibaru (東国原 音吉), played by Tokyo Sunshine Boys member Takashi Kobayashi (小林 隆 Kobayashi Takashi).
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He loves meat-stuffed peppers, his favorite movie is Grease, his favorite group is ABBA, his favorite Golden Half member is Eva and his favorite song is Dancing Queen.
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Mantaro Kuwabara (桑原 万太郎 Kuwabara Mantarō), played by Tokyo Sunshine Boys member Toshihito Ito, is a forensic scientist who works at the crime lab.
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The character of Shintaro Imaizumi (今泉 慎太郎 Imaizumi Shintarō), portrayed by actor and Tokyo Sunshine Boys member Masahiko Nishimura, is the bumbling, inept sidekick of Furuhata.