Books in the His Majesty the Demon King's Housekeeper series

"Sakura is putting her neat freak habits to good use! She's wiped away the grease and grime with baking soda. Now her new citrus cleaner is cutting through alkaline build up left by the witches curse. All demons bow to the skills of housekeeper saint Sakura! But her clean streak might have caught more attention than she originally thought." --