man thanks for the spoiler...i literally felt disgust about the duke having s** with his own sister :')

i thought i was the only one :') seems like we have the same taste in manhwa

The name of the manhwa is 'Define The Relationship'

shut up you bas****. cant u learn how to be grateful, people come here to read and more we are all reading on illegal website so if u have any problem and want better translation just go read it on the official website