1girl :d arm_strap black_neckwear brown_hair cowboy_shot crown floating_hair grey_background highres idolmaster idolmaster_(classic) index_finger_raised long_hair looking_at_viewer minase_iori mogskg open_mouth prologue_rouge red_eyes red_shirt red_shorts shirt short_shorts shorts sleeveless sleeveless_shirt smile solo sparkle standing thigh_gap very_long_hair wristband