mill gyu, shinosawa hiro, gakuen idolmaster, idolmaster, highres, 1girl, blonde hair, blue background, blush, bow, breasts, cleavage, closed mouth, colored eyelashes, dated, dress, flipped hair, full body, hair bow, happy birthday, kneehighs, long hair, looking at viewer, orange bow, orange eyes, parted bangs, puffy short sleeves, puffy sleeves, short dress, short sleeves, simple background, sitting, small breasts, socks, solo, striped clothes, striped dress, unmoving pattern, wavy hair, white socks