人類は衰退しました 特別
Specials included in the DVD/BD releases.
Watashi
Mai Nakahara
Shiroi Itachi
Ryuusei Nakao
Yousei-san
Megumi Ogata
Sofu
Unshou Ishizuka
Totem Pole
Muneyuki Kawamoto
Tori
Tetsuya Ibuki
Yameta
Shun Takagi
Hamster
Satomi Akesaka
Algernon
