starlight polaris
A Japanese male Utaite group originating from YouTube and affiliated with the 2.5D idol agency VOISING. The members included Coe., Kisaragi You, Kottaro, Kuni, and Relu.
They are known for not revealing their real faces except to show them directly at live performances. Instead, they use their own unique anime character designs on the web.
Their group name is stylized as StarLight PolaRis and shortened as StarPola.