1girl 81_(mellowry) beige_shirt black_footwear blue_eyes blue_skirt blush commentary_request confetti gradient_background hair_ornament hair_ribbon highres holding holding_microphone idolmaster idolmaster_million_live! idolmaster_million_live!_theater_days leg_up legs long_hair looking_at_viewer microphone neckerchief open_mouth orange_background orange_hair orange_neckerchief orange_socks polka_dot polka_dot_background puffy_short_sleeves puffy_sleeves ribbon short_sleeves sidelocks skirt smile socks solo suspender_skirt suspenders takatsuki_yayoi twintails wing_collar wristband