Tsubomi Someba was transported to another world while working her Miko Baito. That place was the Daimeika Empire—a world where the "Kazoku" nobility fight against man-eating monsters called "Mushi." Tsubomi awakens as an "Amatsu Otome"—an existence that grants vast power to the person she marries. Furthermore, the only way to return to her original world is to marry someone from the Kazoku and have her power blossom during the "Shoya"!? The young heads of the Kazoku seeking power—beautiful, ambitious, and dangerous "Hanamuko Kouho"—appear as if to fight over Tsubomi, stepping into her heart sweetly yet forcefully. In a world where love becomes power and love chooses destiny— Whose hand will Tsubomi finally take?