"When in Rome, do as the Romans do."

That was Guest's conviction.

By nature, Guest was a free-spirited individual who lived as she pleased, bound by no one.

Love, play, and social circles—she decided everything by her own will.

However, three years ago, when her marriage to the prestigious Marquis Valdis was decided, Guest suppressed her free way of life.

If one enters the "Rome" of marriage, one should follow the rules of that land.

Because she thought so, she bid farewell to her unrestrained life and fulfilled her duties as a chaste and modest Marchioness.

There was no love between her and her husband, Kaizel.

However, there was respect.

Recognizing the sense of responsibility and pride in the man who carried the weight of one of the kingdom's greatest families, she secretly hoped that one day this respect might turn into love.

Three years passed in that manner.

—Then one day, her husband brought a beautiful young man to the estate.

Riol Sevran.

A young man as lovely as an angel, with silver hair and pale light-blue eyes.

Kaizel introduced him as his lover and announced that they would be living together in the estate from now on. He said their relationship had been ongoing since before the marriage.

"It has been three years. I thought it was time you would understand."

At those words, Guest was disappointed.

Not because her husband loved a man. Not because there was someone else he loved.

But because the truth had been hidden from the start, and she was the only one who had kept the marital promise.

He should have just told her from the beginning.

If he had, she could have chosen a lifestyle appropriate for that reality.

For three years, her husband had spent his time freely with the one he loved.

Meanwhile, she had believed in the rules of the "Rome" called marriage and had suppressed her freedom.

However, it seemed her husband's idea of marriage was not like that at all.

In that case, the matter was simple.

"Then, I shall take the liberty of being free as well."

"They say, 'When in Rome, do as the Romans do.' If that is how your world is, then I must follow suit."

If the husband loves freely, then she shall love freely as well.

If the husband has changed the form of the marriage, then there is no need for her alone to be bound by old promises.

Abandoning her husband, loving someone else, or even stealing her husband's lover—all of it is Guest's freedom.

The true self that had been put to sleep for three years for the role of Marchioness.

There was no longer any reason to hide it.

This is not a story about winning back a husband's love.

It is a story of Guest, who followed the rules of marriage, beginning to live freely once again in the new "Rome" shown to her by her husband.