Ascendance of a Bookworm - Season 0 Episode 1 Side Story One: Eustachius's Incognito Operation Downtown
The head priest wants more information on Main, so he sends two of his aides, Eckhard and Eustachius, to investigate her.
- Genre: Animation, Sci-Fi & Fantasy, Comedy, Drama
- Studio: ABC TV, WOWOW Prime, AT-X
- Keyword: reincarnation, anime, isekai, based on light novel
- Cast: Yuka Iguchi, Show Hayami, Mutsumi Tamura, Takehito Koyasu, Megumi Nakajima, Tsuyoshi Koyama