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