When she was young, the young lady Stella was robbed of her family and exiled from her territory.

In the midst of her exile with her servant, Stella and the others were accidentally rescued by Count Schwech, her own man who had usurped her realm.
Stella hides her identity and plots her revenge...

She falls in love with Michelle, the son of the Earl and the eldest son of the Schwev family.

Stella is entrusted with taking care of the spoiled and slightly unreliable Michelle.
She is then doted on and raised by the Earl, who is supposed to be her enemy, as if she were her real family...

As she grew up, the Count and Michelle she spent time with Stella became an important part of her family.
She gives up on revenge and decides to leave Michelle's mansion after her social debut and her engagement.

She was Stella who decided to live alone.
The night of her social debut party, she is stopped by Michelle,
She loses consciousness while looking into Michelle's eyes and talking to her.

next time she woke up she was forced to change into a dress she didn't know
She was taken to an unknown mansion.

She knew that Stella would leave her mansion and she would leave her.
Uncover and invade her innocent body, who has deprived her Stella of her freedom and still does not know her impurity.

And so began the days of confinement and training for the "bride", dyed in pleasure, in a mansion with just the two of them, the "couple".