Yuukoku no Moriarty: Kinjirareta Asobi

A nobleman's son goes missing, prompting Sherlock to seek William's assistance in investigating the exclusive club where the boy resides. They uncover the truth, but their efforts are interrupted by a hostage taker known as a "game enthusiast," who compels them to participate in Russian roulette. Meanwhile, in separate short stories, Bond provides acting lessons to the Whitechapel troupe, Jack faces challenges as he trains three brothers as apprentices, and Sherlock encounters an unusual case while on vacation with Mycroft.