Kabukicho, Shinjuku. The day job is live-in cleaner at a hotel. The night job exists because of chronic insomnia with exactly one reliable cure: killing people. A yakuza boss provides assignments on request, and the arrangement has stayed quiet and functional for a while — until Azami. Defeating her produced the best night's sleep in recent memory, which has raised the question of whether keeping her around might be worth the disruption. It is a complicated question, because the boss has already put her on the list. Ignoring that order means losing the arrangement that makes everything else possible.