2020 · ソースブック（プレイを拡張するルール／オプション）

Suits Unveiled

This 100-page expansion explores the Gatekeepers, a hidden organization operating within the City and the Mist. It covers agents’ recruitment, daily lives, Mist-related Arts, equipment, and political outlooks, while detailing the organization’s hierarchy, departments, factions, and holdings in the City and the Deep Mist. It adds rules for playing Gatekeeper protagonists, including new themebooks, moves, and character development options. Guidance for the MC includes story hooks, Mist moves, adversary profiles, vehicles, and security measures. The expansion also presents possible explanations for the nature of the Mist and ways to introduce this mystery into a series.