The opening song is “Deep in Abyss” as performed by Miyu Tomita and Mariya Ise while the ending theme song is “Tabi no Hitarite, Saihate no Migite” by Miyu Tomita and Shiori Izawa.
On-disc extras for both include Clean Opening and Animations, Japanese Trailer, Japanese Promos, Kevin Penkin (Composer) Interview, Jouel Event; Making of MADE IN ABYSS, and Music in Abyss.
Plot Concept: The enormous cave system, known as the Abyss, is the only unexplored place in the world.