In the rapidly expanding universe of Indian OTT platforms, has carved out a unique and controversial niche. Launched in 2018, the platform quickly distinguished itself not by big-budget action or family dramas, but by its unapologetic focus on bold, adult-oriented content. While mainstream platforms tiptoed around intimacy, Ullu leaned in, creating a library of over 200+ web series that cater specifically to stories of desire, taboo, and erotic thrillers.

A significant portion of the catalog combines suspense or crime elements with bold visual storytelling.