Koujo Kanraku ~Kouki na Otome wa Mezamenai Jokumu o Miru ka?~

Meet Alyssa Romania, the high princess of Provenia.
She's a beautiful girl with total virtue, raised as a delicate flower.
Suddenly her elder brother, the prince, dies of illness.

To reinforce the kingdom's stability, Alyssa is wedded to prince Kyle of Gothalia.
On the day of the ceremony...

Alyssa and her lady attendant Tanya prepare for marriage.
Suddenly, armed forces seize the nation in a coup.
Alyssa and Tanya are both captured! This shocking ambush
is spearheaded by a strange masked man.
He has taken the girls as his spoils of war...

[From DLSite English]