Direct relations Kindaichi Shonen no Jikenbo Franchise Kindaichi Shonen no Jikenbo R Franchise Kindaichi Shonen no Jikenbo: Kuromajutsu Satsujin Jiken Franchise
Indirect relations Kindaichi Shonen no Jikenbo N Kindaichi Shonen no Jikenbo Kindaichi Shonen no Jikenbo Kindaichi Shonen no Jikenbo: Kyuketsuki Densetsu Satsujin Jiken
