2girls alternate_costume alternate_eye_color animal_ears black_legwear blonde_hair blue_eyes bowtie cable choker curtains disco_ball fake_animal_ears formal guitar hair_between_eyes hand_on_headphones hat headphones instrument kokemozuku leotard lily_(vocaloid) long_hair looking_at_viewer megurine_luka microphone microphone_stand multiple_girls over-kneehighs pink_hair rabbit_ears raised_hand red_eyes shirt speaker stage suit thigh-highs vocaloid white_shirt wrist_cuffs