His Mistress Wore My Lingerie

Synopsis

During our fifth anniversary, my boyfriend mixed up my gift with someone else's. When he pulled out the lingerie, he stumbled, claiming it was a shipping error. But the next day, I stumbled upon a post on Instagram from one of his "little sisters." "My big bro says that old woman is so out of shape, but I'm the one who looks the hottest in this," read the caption. The video showed her wearing that same lingerie, provocatively lounging in his arms. I glanced at the engagement ring, identical to Martin's, and called my boss. "Casey, I've made my decision. I can start at the branch office next week." After hanging up, I stared blankly at the video, reaching for a cigarette for the first time in five years. Enveloped in smoke, my trembling hands navigated to her profile, compulsively scrolling