Debby the Corsifa is Emulous

Vol.3 Chapter 26.5: A Devil's Omake 20
Vol.3 Chapter 26: Bug Extermination
Vol.3 Chapter 27: Halloween
Vol.3 Chapter 26: Bug Extermination
Vol.3 Chapter 27: Halloween
"I know! I'll destroy some humans to kill time!" The strongest demon ever makes an unexpected appearance! But she's... a total airhead?! A comedy about a clumsy but emulous demon trying to kill time begins! Author's Twitter: https://twitter.com/magoroku2