( Welcome to the Impregnable Demon King Castle – The Black Sorcerer Is Offered a Seat as a Member of the Demon King Army's Top Brass After Being Kicked out of the Hero's Party Because They Didn't Need Debuffs )Free Web Novel Welcome to the Impregnable Demon King Castle – The Black Sorcerer Is Offered a Seat as a Member of the Demon King Army's Top Brass After Being Kicked out of the Hero's Party Because They Didn't Need Debuffs Ke Novel