Fukushuu no Amai Ori

Idilia, from the Levaux family, develops feelings for Silvio, the son of their political rivals, the Fontanas. Despite her growing affection, she is forced to conceal it. A scheme by her family leads to the downfall of the Fontanas, and Silvio vanishes. Five years later, Silvio returns, now the Grand Duke of a neighboring country. He confronts Idilia, who still carries guilt over the events that transpired. Silvio subjects her to nightly torment, both physically and emotionally, as he expresses no remorse and demands submission.