Beyond the immediate case, this episode is a "manga-canon" entry crucial for its character reveals:

The episode follows the investigation into the death of , a female drummer found strangled in a rehearsal studio. Detective Conan Episode 837

The murderer is revealed to be Rumi , one of the band members. Beyond the immediate case, this episode is a

Detective Conan , titled " The Unfriendly Girls Band (Part 2) ," aired in Japan on October 22, 2016. It concludes a suspenseful case that blends a classic murder mystery with significant "Black Organization" lore, specifically focusing on the tense dynamic between Masumi Sera and Rei Furuya (Amuro Toru). Case Summary: The Girls Band Murder It concludes a suspenseful case that blends a

Rumi used a cell phone recording trick to manipulate the timeline of the murder. By filming vertically, she was able to hide specific movements while playing a recorded keyboard track to make it seem as though Hagie was still alive and sleeping during the rehearsal.