Kishin Houkou Demonbane (TV) Specials
Japanese title: 「OUROBOROS RONDO」
Type: Special
Episodes: 2
Source: Visual novel
Genres: Sci-Fi, Supernatural
Producers: Nitroplus
Duration: 6 min per ep
Rating: PG-13 - Teens 13 or older

Daijuuji Kurou and Al, Master Therion and Etheldreda continue to fight beyond the time again and again over the infinite just as Ouroboros...