1 Season
11 Episode
No. 6 - Season 1 Episode 6 Hidden Danger
Safu returns to No. 6 after her grandmother's death and finds out about Sion. Meanwhile, Nezumi disagrees with Sion's goals.
- Country : Japan
- Genre : Animation, Drama, Action & Adventure, Mystery, Sci-Fi & Fantasy
- Director :
- Cast : Yuki Kaji, Yoshimasa Hosoya, Kiyono Yasuno, Kei Shindo, Masaki Terasoma