Wasn't I the Heroine of a Regret Novel?

A brief sentence flowed from her husband's mouth. "Let's get a divorce." Vendia Rose dropped the divorce papers she had just handed to him. 'W-Wait, this isn't how it's supposed to go...?' Believing she was in a "regret genre" story, Vendia thought that demanding a divorce would spark the beginning of true love with the male lead. However, contrary to her expectations, the divorce was finalized in a flash, leaving her to live in a rundown mansion she received as alimony. 'Alright, let's take this opportunity to live as a god-tier landlord!' But how much time had passed since she made that ambitious resolution? Source: MU Includes 15 side story chapters.