Kindaichi Shounen no Jikenbo: File Series - Kibayashi, Shin Kanari, Youzaburou Satou, Fumiya

Kindaichi (frequently with best-bud, Miyuki) travels to various places where a murder has taken place, typically involving ghosts, curses, myths and folklore of significant events from the distant past, and solves the mystery using ingenious deductions of curious clues and his cool magic.

(Source: Tokyopop)

Kindaichi Shounen no Jikenbo: File Series was partially published in English as The Kindaichi Case Files by Tokyopop, who published the first 17 volumes between June 1, 2003 and May 13, 2008. Each volume has a subtitle, The Opera House Murders being the first, and The Undying Butterflies the final English volume.