The ninth book in the Kemono series follows Kirishima Kaoru, who represents Toudou Group in Japan and is dating Daigo Mikihisa, an executive at Mercury Corporation in America. One day, Daigo's father, president of Mercury, orders him to marry his illegitimate son for political reasons. When Kaoru discovers this, how will he react emotionally? This story explores the challenges faced by two men as they fight for their love amidst the cutthroat world of business.