Aria Futaba

She is a character from the Aikatsu Stars! series second season and is a student of Venus Ark. Aria is a cute-typed idol whose preferred brand is My Little Heart. Aria was born into a large family and grew up in the lush natures of Finland. A prodigy, her performances are said to be like seeing an aurora. Aria is a pure-hearted girl described as being an "overwhelmingly fairy-like idol."

(Source: Aikatsu Wiki)