[Machine Translation] Mizuho is a young man who was marked by the Demon King when he was a child, and is finally welcomed as his bride. Since the Demon Lord, Yasuaki, has been appointed as the president of the company, he uses his body everyday as a secretary by day and as his new wife by night to mature his sperm.... One day, when she came home, she found a dandy gentleman dressed in a black suit.... To his surprise, Yasuaki had summoned his butler. On top of that, there is an unexpected rival in the company... The story of the love story of the healthy Mizuho, who is at the mercy of the arrogant demon king, has just been written.