Detective Conan Episode 837 -

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

The murder was fueled by a tragic misunderstanding regarding a former bandmate, Akane, who had committed suicide. Rumi believed Hagie's harsh words about Akane’s voice drove her to it, though it was later revealed Akane actually died in a selfless accident while trying to save a child. Major Plot Developments Detective Conan Episode 837

Amuro (Rei Furuya) inwardly reflects on Scotch’s death, maintaining his bitter belief that Shuichi Akai was the one who killed him—a core conflict that drives much of their rivalry in the series. The Unfriendly Girls Band ~ Part 2 - Detective Conan Wiki Detective Conan , titled " The Unfriendly Girls

The murderer is revealed to be Rumi , one of the band members. Rumi believed Hagie's harsh words about Akane’s voice

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.