After digging through forums, fan-translation sites, and a few catalog pages, I have to be upfront: there's no single, universally recognized author name attached to 'Unwanted You Spoiled by Billionaire' across the places I checked. A lot of the entries online are either fan-translated chapters hosted on community sites or listings that credit the uploader or translator rather than an original novelist. That usually means the story started on a platform where authors sometimes use pen names, or it’s been scraped/reposted without proper attribution.
If you want to chase the original, I’d start by checking Chinese web-novel hubs like Qidian, 17k, or Jinjiang (if the novel is of Chinese origin), and look for the Chinese title — sometimes the English name is inconsistent and hides the real listing. Novel databases and aggregator sites often list the original author when they’ve identified the source, but many fan pages just use the translator’s handle. Personally, I’ve bookmarked a couple of translator pages and forum threads that track updates; they’re lifesavers for tracing provenance. In short, it’s one of those titles that’s easy to find in translation but annoyingly vague about who wrote the original, which is frustrating but surprisingly common in the fan-translated romance space. I still enjoy the melodrama, though — even if the author’s name is playing hide-and-seek, the characters stick with me.