In Japan, Kirishima Kaoru, a prominent figure in the Toudou Group, shares a passionate relationship with Daigo Mikihisa, a high-ranking executive at the American corporation, Mercury. However, their love faces a formidable challenge when Daigo's father, the president of Mercury, mandates that his son must marry for political reasons. This decision puts Kaoru, who is emotionally delicate, in a difficult position. Witness a gripping tale unfold as these two men navigate the complexities of their love amidst the ruthless backdrop of the business world.