I'm the Evil Lord of an Intergalactic Empire! (Manga) Vol. 7

Liam has grown increasingly interested in Rosetta, the daughter of a duke. Her family's troubled reputation and outcast status has made her life difficult, but she hasn't let it break her. Liam is determined to be the one who conquers her, but her guards are proving a bigger obstacle than he expected... How will she react to his sudden offer of marriage?!