Hayase Sou is a female Japanese VTuber affiliated with Nijisanji. With a debut in 2019 as part of the unit "Tulip-gumi," Sou quickly gained popularity for her wide range of interests, from cosplay to road biking. Her adventurous spirit is evident as she travels across Japan, showcasing her most prideful ride while pursuing her future goals. Since her YouTube debut, Sou has achieved various milestones, including reaching 10,000 subscribers, 50,000 subscribers, and 100,000 subscribers. Her captivating content and vibrant personality have earned her a dedicated following, solidifying her status as a prominent figure in the world of virtual influencers and VTubers.