helppp i forgot the name of this manhwa

it was a historical fanasty romance and the mc had straight black hair and green eyes. shes married to some other guy besides the ml and hates whenever they interact. the ml is a blue eyed blonde hair beef cake. oh and an hugeeee green flag. theres this scene where the mc is telling the ml how whenever her pos husband sees them interacting he grapes her afterwards bc he hates ml so much. thats all i know but any clues would be helpful