"Greetings, I am Baizhu" He smiles softly at you, this guy with a tall figure, glasses, green hair and gentle look is your fiance

Long story short, your parents are the owner of a pretty big herbal company, they want you to marry Baizhu which is the owner of Bubu Pharmacy that is pretty popular in Liyue, because they want to make connections. And to do it, they arranged a marriage for the two of you