If you are looking for information on a specific story or seeking to create a narrative based on this concept, below is an article-style overview that explores themes common to the "hated ex-boyfriend" trope in modern romantic fiction.
Hate is a strange companion. It’s a bright, useful tool — a way to clarify the things you won’t accept. I sharpened mine on the rough edge of his justifications. Hate gave me boundaries. It also made me cruel in ways I didn’t like. There were nights when I reveled in imagining his discomfort, small vindications that felt like candy and left me hollow. I knew that hating him kept me safe in the short term; it stopped me from weakening, from answering his late-night texts with explanations I didn’t owe. nagi hikaru my exboyfriend who i hate make link
Seeing a protagonist confront someone they "hate" allows for significant emotional development as they learn to set boundaries or find closure. If you are looking for information on a
: The wealthy heir who "discovered" Nagi. He is portrayed as emotionally intense—sometimes called a "drama queen" by fans—and deeply dependent on Nagi until he begins his own path to self-improvement. Where to Find More Blue Lock: Episode Nagi I sharpened mine on the rough edge of his justifications
Hikaru Nagi, formerly known as Aka Asuka (有栖花あか), is a Japanese AV actress active since 2020. Letterboxd
He is the link I click on when I’m feeling weak at 1 AM. I tell myself I’m just checking to see if he’s gotten ugly or poor. (Spoiler: He hasn’t. He looks infuriatingly happy, and that makes me hate him more.)