Mankind can no longer reproduce because of gene manipulation aimed at making life longer. The clones ruling the bottomless underworld may have become fertile. Parton is selected to go on a mission through a subterranean labyrinth crawling with monsters to secure humanity's future.
堀貴秀
as Parton / Alexandre / Francis / Julian / Hokuro / Doctor / Assistant / Mummies / Boss / Subordinate / Other (voice)
Atsuko Miyake
as Nico / Children / Woman (voice)
Yuji Sugiyama
as Woman Bosses (voice)