Finding genuine spots for this specific combination is tougher than you'd think. I've hunted around a fair bit because my mom reads Urdu but doesn't like buying physical books all the time, and free online access is her thing.
You get a lot of sites popping up in searches, but many are just massive archives of PDFs with really questionable formatting—think scanned pages turned into text with wild font sizes and random line breaks. The 'steamy' part complicates it; a lot of the free archives are classics or more traditional social novels, not the modern romance you're probably after. Rekhta is an incredible resource for Urdu literature, but it's more for the poetic and classical canon, not contemporary romance novels.
I've had better luck looking at serialized fiction apps like Wattpad, but you need to search specifically in Urdu. Even there, it's more amateur writing, and quality varies wildly. Sometimes you'll find a writer posting chapters of a story that fits, but it's a real dig. I ended up just borrowing e-books from a relative's library subscription, which felt safer than some of the ad-heavy free sites.
Honestly? I'd be skeptical of any site promising a full library of free, steamy Urdu romances. That niche is prime territory for clickbait and malware-laden pages. The legitimate publishing for that genre is often through proper Pakistani publishers who sell physical copies or e-books on platforms like Kitaabun or IlmGrid. They might have a few sample chapters, but the whole book usually costs something. I tried a couple of 'free reading' portals and the experience was miserable—pop-ups every other click, stories that cut off mid-way to push a paywall, or translations of English novels that read really awkwardly. Your safest bet for free content is probably following specific authors on social media if they share snippets, or checking if any web novel platforms are trying to break into the Urdu market. It's frustrating, but the ecosystem for this just isn't as developed yet.
I remember getting excited seeing a site called 'UrduRomanceNovels' or something, only to find it was just a blog with summaries and links to buy books. Total letdown.