The esteemed Tachigami family, known for their alpha lineage, has recently encountered a financial crisis. The fate of their household now hangs in the balance. In an effort to remedy the situation and bolster their standing in society, the Isaka family has proposed a union. The Tachigami clan requires aid while the Isaka family seeks acknowledgement. The proposal entails marrying the eldest sons, Takaomi and Kazumasa, for the mutual benefit of both parties. Fortunately, the two men develop romantic feelings for one another. However, their happiness is short-lived when they realize that they are both dominant partners.