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
The episode follows the investigation into the death of , a female drummer found strangled in a rehearsal studio.
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. Detective Conan Episode 837
It is confirmed that the friend was Scotch , a member of the Tokyo Metropolitan Police Public Security Bureau who infiltrated the Black Organization alongside Amuro.
Beyond the immediate case, this episode is a "manga-canon" entry crucial for its character reveals: The murder was fueled by a tragic misunderstanding
The murderer is revealed to be Rumi , one of the band members.
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 The case triggers a flashback for Masumi Sera
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