The Fiend With Twenty Faces the 7th emerges as the latest heir to a criminal dynasty originating in Edogawa Rampo’s works, reigniting a century-spanning game of cat-and-mouse against the Akechi detective lineage. In 2117 Tokyo, this enigmatic successor upholds his ancestors’ tradition of audacious heists and masterful disguises, operating as a spectral presence whose true age, visage, and origins remain shrouded in secrecy.

He masterminds labyrinthine plots targeting the seventh-generation Kogorō Akechi and a rejuvenated Boy Detectives Club under the leadership of Kobayashi’s modern-day progeny. Adhering to the gentleman thief’s code of theatrical cunning, his strategies echo historic precedents while retaining an aura of calculated ambiguity, with no definitive accounts of personal evolution or distinct traits across his documented exploits. His shadow intertwines with that of Neko Fujin—an enigmatic queen dubbed his wife, whose ageless magnetism and formidable authority amplify the duo’s mystique.

Adaptations such as a 2019 cinematic portrayal preserve his essence as an inscrutable architect of chaos, sparking cryptic conflicts without illuminating his past. The eternal duel between the Fiend and Akechi bloodlines persists as a generational vortex, its seventh chapter sustaining the timeless clash while guarding the particulars of this incarnation’s role within the ceaseless cycle.