Meika Sanjo, the only daughter of the powerful Sanjo Empire, faces an impending arranged marriage at 18. In a desperate attempt to escape her fate, she persuades her lifelong bodyguard, Kou Fujimiya, to stage a fake wedding that allows them both to pursue their own romantic interests. However, Kou harbors deep feelings for Meika, complicating their arrangement. As unexpected twists unfold, the story evolves into a captivating tale of love and longing, challenging Meika to discover the true meaning of love amidst the chaos.