Ai-chan is one of the CS characters from Pop'n Music 14 FEVER!.
Circle, triangle, square. Red, blue, yellow, white clouds!
Colorful happiness, delivering the original to you!
Ai-chan appears to be a patchwork squirrel. Her left ear is blue, while the right one is purple. She has a pink body, purple arms and orange legs. She is seen riding a scooter.