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
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. Detective Conan , titled " The Unfriendly Girls
The case triggers a flashback for Masumi Sera. She remembers seeing her brother, Shuichi Akai , at a train station four years prior with a mysterious friend who taught her a few notes on the bass guitar. Rumi believed Hagie's harsh words about Akane’s voice
The episode follows the investigation into the death of , a female drummer found strangled in a rehearsal studio.
The murderer is revealed to be Rumi , one of the band members.
Beyond the immediate case, this episode is a "manga-canon" entry crucial for its character reveals: