Senya wakes up in a strange village with no memories and is immediately greeted by Shinsuke. Shinsuke wants to use the boy's memory loss to turn him into a normal child. However, the thousand battle-hungry Katawara in his body make this task difficult.
Hundred Demon Fusion!
!اندماج الشياطين المائة
Fusion von hundert Teufeln!
¡Fusión de Cien Demonios!
¡Fusión de Cien Demonios!
Fusion des démons !
Fusione dei Cento!
Fusão dos Cem Demônios!
Слияние сотни демонов!