Nagato Yuki-chan no Shoushitsu: Owarenai Natsuyasumi
Nagato Yuki-chan no Shoushitsu: Owarenai Natsuyasumi, The Disappearance of Nagato Yuki-chan: I Cannot Let Summer Break End, Nagato Yuki-c
Extra episode of Nagato Yuki-chan no Shoushitsu bundled with the limited edition of the 9th manga volume.
