She helped define the visual aesthetic of the modern "E-girl," mixing cosplay with high-intensity internet irony.

In late 2020, a series of compromising photos and videos featuring Belle Delphine were leaked online, causing a stir among her fans and the wider gaming community. The leaked content, which included intimate photos and videos, was shared on various social media platforms, leading to a significant backlash against the YouTuber.

The prevalence of leaks forces creators to alter their business models: