"Do S na Seitokaichou-sama ga M Note ni Shihai Saremashita" centers on a common guy who discovers a mysterious black notebook that allows him to control people. Using this power, he makes two girls—the prime minister's niece and her devoted secretary—into masochist slaves, leading to a mix of comedic and erotic scenarios. The series features character development, notably the secretary's growing devotion, alongside well-directed ecchi scenes with a playful, unconventional plot twist.