What kind of spoiler do you want???
SPOILER
The Duke actually knows that she meant to confess to the prince and not him. She was telling the Duke the truth that she made a mistake confessing to the wrong person, but the Duke was like 'I know' or something
wahhhhhhh.......Σ(゜゜)then at that time is she also in love with cabel
She fell in love with Cabel along the way in their relationship (they kinda became a couple after the wrong confession) as she got to know him better... Cabel is so sweet ugh.
Give me spoiler pleaseee