Guest was reincarnated into the world of a typical "villainess gets her comeuppance" novel. However, the behavior of her younger sister—who was supposed to be the heroine—suddenly turned strange when they were children...?

Will Guest be able to lead a peaceful life as a noble lady?

When I opened my eyes as if waking from a deep sleep, what my blurry vision caught were tiny, tiny baby hands.

Suddenly, a vast amount of memories flooded in. My mind was filled with images of myself living in a different place, not here.

—By the time I grew up and could understand the words around me, it hit me.

"This is the world of the novel I used to read."

Approaching the mirror, I stared at my reflection. A look that strongly reminded me of the "villainess" in the story I read that day.

...At this rate, I'm going to be condemned!!

—However. Despite my struggles to avoid condemnation, my younger sister Alicia, who was born later, seemed to hate me as if by pre-established harmony.

...Ah. Just like this, I'll surely be hated by the two princes who are the love interests, and my life will end in tragedy...

Or so I thought—

—Stay away from my sister!!!!

At the meeting held when my sister was five, the moment she saw the faces of the two princes, a high-pitched voice echoed through the room.

Before I could even turn to see what was happening, I was met with an embrace so strong I thought my waist would snap.

...And then, a wailing so intense it left everyone around us speechless with shock.

My panicked parents led me and my sister out. The meeting, which was essentially an arranged marriage interview, ended in mere minutes.

The engagement... was never formed.

—Eleven years have passed since that shocking day.

My sister has been constantly hovering around me, as if she became a different person from that day forward.

And so, with no fiancés decided for anyone, we have fully reached marriageable age.

Has the condemnation disappeared? Will we continue this casual relationship as childhood friends? Or...