1girl, ahoge, ass, black_shirt, bra_strap, brown_hair, cowboy_shot, facing_away, from_behind, holding, holding_hair, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, kamille_(vcx68), pants, pantylines, shirt, short_sleeves, side_ponytail, simple_background, solo, standing, white_background, yellow_pants, yokoyama_nao