Onomachi Haruka is a female Japanese VTuber affiliated with Nijisanji who debuted in 2019 alongside Kataribe Tsumugu and Seto Miyako. Haruka is a high school student who works as the proprietress of a historic inn. She started streaming to overcome her shyness, and her YouTube channel was created in January 2019. Over the years, Haruka has undergone brushups of her Live2D model and debuted her 3D model in December 2021. She has participated in various events and has formed relationships with other virtual influencers. Haruka frequently interacts with her fans on Reddit and shares English translations of her Twitter schedules. With her shy personality and captivating content, Onomachi Haruka has garnered a dedicated following in the virtual influencer community.