This drama is adapted from the manga of the same name by Shiho Watanabe, which has sold over 1.2 million copies in total. It is a pure love story about an 18-year-old lady and a high-quality bodyguard, who start their incestuous "fake marriage". Minghua, the only daughter of the "Sanjo Group", a wealthy empire with absolute power, decided to go on a blind date and get married at the age of 18. She pretended to marry Fujimiya Huang (Fujii), who has been her bodyguard since childhood and has a deep trust in the Sanjo family, and planned a free love that is equal to incest. However, Huang, who has always been by her side, has always loved Minghua...