Ouhi wa Otto wo Koroshita Gitei ni Oto Sareru

"Sister-in-law... I have finally made you mine, and mine alone...!"

The heroine was married off to a neighboring kingdom for political reasons. As she was a virgin at the time, the king fobbed her off as too much hassle. She thought that her life would be spent without the touch of pleasure, but one day... The king's brother and commander of the army rebelled and usurped the throne!

The usurper makes his way to heroine's bedroom, confesses his love for her, gives her a very passionate kiss and... then begins to undress her.

While troubled by the moral dilemma of making love to the man who killed her husband, the heroine is swept away by pleasure and...