The special is set 3 years prior to the drama series, with the story being related to a murder case that was partly referenced in the original show. Detective Kusanagi is looking to solve a murder mystery, and he gets back in touch with his former badminton teammate, the brilliant professor Yukawa Manabu.
Cast
Masaharu Fukuyama
Manabu Yukawa
Masami Nagasawa
Akari Shionoya
Kazuki Kitamura
Shumpei Kusanagi
Ikkei Watanabe
Hiromi Kuribayashi
Miki Maya
Sakurako Jonouchi
Karina
Namie Shindo
Kazuma Sano
Shumpei Kusanagi
Keizo Kanie
Yukimasa Tomonaga
Ayaka Komatsu
Yoko Hirahara
Hiroshi Shinagawa
Shiro Yuge
Haruma Miura
Young Manabu Yukawa
