Mashiro, the daughter of the president of a major food company, has been secretly active as a Bratty Demon Princess VTuber (the polar opposite of her true self) hoping to break free from her introverted shell. No matter what she tries, her subscriber count just won't grow... Until one day, a new maid named Kozue arrives at her mansion! The days of being overrun by the "forbidden late-night snacks" of the mysterious and talented , Kozue awaken a new side of Mashiro, This Demon Princess Wants to be Dominated!