Season 0 · 4 episodes
E1
Yuusha, Nagurareru. / Nisepanda no Seitai.
Unaired episode released with the first BD/DVD volume.
E2
Shitsujichou no Tabi Sono 1
Unaired episode released with the second BD/DVD volume.
E3
Shitsujichou no Tabi Sono 2
Unaired episode released with the third BD/DVD volume.
E4
Gakuen Senyuu.: Seishun Monogatari
Unaired episode released with the fourth BD/DVD volume.