[DeepL Translation - needs review] Introduction to Volume 1: A secret society formed by a man with an excellent sense of smell called "Smell" to revive the declining yakuza society is suddenly attacked by the "Invisible Man"! As one by one their comrades are dying, the yakuza, with their senses sharpened, gradually begin to catch sight of the "invisible man"... and the otherwise ordinary locked room turns into an unparalleled wonderland of "invisible man vs. yakuza"! The ordinary locked room...
