Ruby Hoshino is a fictional character from the popular multimedia project Hololive. She is a virtual YouTuber, known for her cheerful personality and engaging content, which includes singing, gaming, and chatting with her fans. Ruby is often depicted as a cute girl with a distinctive design, featuring bright colors and a playful aesthetic. As part of the Hololive franchise, Ruby Hoshino is one of many characters that represent different themes and styles. The project focuses on creating virtual idols who interact with their audience through live streams and videos, contributing to the growing popularity of VTubers in online entertainment.