ruki matsui, the idolmaster cinderella girls u149, the idolmaster series, 1girl, ichihara nina, solo, long hair, brown hair, open mouth, smile, bangs, cosplay, blush, blunt bangs, brown eyes, looking at viewer, parody, upper body, :d, dress, short sleeves, puffy sleeves, kigurumi, collarbone, pointing, puffy short sleeves, yellow dress