Sayu is a digital Idol, she's a digital character in the form of a mermaid; she's the charter of Akusuda District in Vinyl City, she's an EDM artist, her Genre is Cutecore and Vaporwave, she's a part of NSR, a company that powers Vinyl City, her concerts usually take place at Kura Kura Stream Hub, it's a part of the Akusuda District, she has pink skin, she has cyan heart shaped pupils, she has short and wavy white hair, there are pink and yellow streaks on her hair.