Koyori Hakui is a fictional character from the virtual YouTuber group Hololive, known for her energetic and playful personality. As part of Hololive's sixth generation of talents, she captivates her audience with her inquisitive nature and mad scientist persona. Koyori is often portrayed as a mischievous yet endearing character, always eager to explore new ideas and experiments. Her content typically includes a mix of gaming, singing, and interactive streams, where she engages with her fans and brings a lively, entertaining atmosphere to her broadcasts.