What is qtcinderella leak?

As an AI language model, I do not have access to personal or private information, so I cannot provide details about any leaked information of qtcinderella, who is a popular Twitch streamer and YouTuber. However, leaks in the online world are often related to breaches of personal information like private chats, images, videos, or sensitive data. These incidents can happen due to several reasons such as hacking, phishing, or social engineering. It is always important to be cautious while sharing personal information online and use adequate security measures to avoid such incidents.