Debby the Corsifa is Emulous

Vol.3 Chapter 21.5: Devi-Extra: Special Volume Demon Obon
Vol.3 Chapter 21: Test of Courage
Vol.3 Chapter 22: Fireworks
Vol.3 Chapter 21: Test of Courage
Vol.3 Chapter 22: Fireworks
"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