The Supporting Duck Waiting for the Breakup

Welcome to the world of Delcato, where people have powers and embody animals. "My deepest apologies! I'm breaking things off!" the man sobs... but who is he? Wait, am I Serena Ethereol?! Serena is an unlucky duck, dumped three times while engaged and just a side character in the original novel. It couldn't get any worse. But then, the male lead wants to get engaged. Not again... I just want a peaceful life! How can I shake him off... Will she duck out of this marriage? Or take another quack at love?