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The series unfolds from the perspective of the two members of the secret group, those being Maribel Hearn and Renko Usami, the only members of the Secret Sealing Club. And describes the various stories that happened in Gensokyo in the past.
First Aired
Dec 30, 2015
Last Aired
Dec 31, 2025
Seasons
1
Episodes
5
Original Title
秘封活动记录
Original Language
Japanese
Keywords
