Do Flowers Bloom in the Mansion of the Monster Duke?

"A noblewoman working as a maid due to massive debt, Agnes. To repay the debt, she enters a political marriage with Gerald, who always wears a mask and is called a monster for his terrifying prowess in war. 'May I just stay quietly in my room from now on?' 'What are you talking about? Isn't it natural for a married couple to share a bedroom?' 'Then don't tell me...' 'Yes, spending every night together is also a marital duty.' Contrary to her expectation that he would treat her carelessly since it was a political marriage, Gerald treats Agnes as his legitimate wife from their first night onward. What on earth is this man's true face? While fearing him, Agnes also wants to see his real...