"You were the first to say let's break up." "You're the one who made me talk about breaking up." How long does it take to process a breakup? What if I change your contact name from the term of endearment to your full name? What if I delete you from my KakaoTalk friends? What if I unfollow you on social media? This is the story of a real-life breakup process from a loved one to an acquaintance and from an acquaintance to a stranger.