Nebulous Kamado x Octoberfest Costume for SmartDoll / DDNebulous Kamado Demon Slayer: Kimetsu no Yaiba ()x Octoberfest costume, made for SmartDoll or DD. The costume includes both the dress and the choker. And it fits nicely on SmartDoll S M bust, DD S M bust. Inner lining is included to eliminate the chance of color staining. In case you don't know Demon Slayer: Demon Slayer: Kimetsu no Yaiba (, Kimetsu no Yaiba, "Blade of Demon Destruction") is a Japanese manga series written and illustrated by Koyoharu