Shikyouin Hibiki no Kareinaru Oasobi
紫京院ひびきの華麗なるお遊戯 · しきょういん ひびき の かれい なる おあそび
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Wishing for the return of the EuroPara's original idols, the Prisiennes, Shikyouin Hibiki begins a little "play" in secret from Fuwari and Falulu. In addition to the new characters, familiar faces will make a guest appearance as well. "Come, fall with me into nighttime PriPara!" With the rich aroma of casblanca filling the air, the curtain rises! Note: Includes 1 extra chapter.
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections