Following her family's downfall, Tsubaki is taken in by Sir Poiman , a powerful and influential aristocrat.

- Often translated as "noble" or "aristocrat," indicating the involvement of characters from a noble or aristocratic background.

The narrative follows , the proud daughter of the prestigious Rurikawa clan. Her life takes a drastic turn when her family falls into financial ruin and political disgrace. To settle her family's debts, Tsubaki is sold into servitude to a wealthy and sadistic nobleman, Lord Poiman.