Hifuu Club Activity Record ~ The Sealed Esoteric History (2015)
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 Air Date: 2015-12-30
- Last Air Date: 2025-12-31
- Total Seasons: 1
- Total Episodes: 5
