1 Season
6 Episode
Lockdown Zone: Level X - Season 1 Episode 2 Reunion
Ryoka hears that her childhood friend Shuuhei has also been left behind in the apartment, so she calls him. As she waits for Shuuhei to join them, Ryoka's mother tells her about the biology of "X (Sai)"...
- Country : Japan
- Genre : Animation, Mystery
- Director :
- Cast : Sora Amamiya, Ryota Osaka, Mirei Kumagai, Yoshiyuki Shimozuma
