秘封活动记录

• Language日本語
• First Air2015-12-30
• Last Air2025-12-31

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.

• Animation
• Sci-Fi & Fantasy