1girl, d, ^_^, ahoge, binsen, black_shirt, blush, breasts, closed_eyes, crop_top, facing_viewer, hands_up, heart, holding, holding_microphone, idolmaster, idolmaster_million_live!, microphone, midriff, navel, shirt, side_ponytail, simple_background, small_breasts, smile, solo, white_background, yokoyama_nao