No Damian isn’t the Duke’s biological son at all. He’s actually his twin brother’s son (so that would make Damian his nephew). He took Damian under him. It’ll actually take a long time before they confess to each other BUT them developing feelings shouldn’t be too far off. At first, the duke sought out Lucia’s body but sooner or later he actually started to develop feelings for her (quite the possessive type actually- he’s cute when he’s jealous). And the torture you’ll suffer bc they can’t just admit their feelings will make you flip tables and the FLUFF THE FLUFF. But it’s all worth it in the end ╮( ̄▽ ̄)╭
I just finished the novel and it really was worth the read (⌒▽⌒)
Spoilers
I wonder if they will draw all the things that happened on the 2nd floor (¬‿¬ )