The time is the Taisho era---.

In addition to male and female, the existence of “Dom” and “Sub,” the “second sex,” is revealed in the reign of Meji. Dom” to dominate, ‘Sub’ to desire domination.

The “Dom” wants to rule, and the “Sub” wants to be ruled, but their heretical nature makes them abhorred by the people.

The “Sub” Hibari has kept his promise to his late mother and has lived his life by killing his heart.

However, when he meets a strong-looking “Dom” named Karasu, he discovers the joy of being commanded. Despite Karasu's cold words and actions, he melts under his sweet domination.

'I want him to command me more...” he says, puzzled by the desire he feels for the first time.

Although he is bewildered by the desire he feels for the first time, he can't stop himself from being attracted to Karasu...?