2boys altessimo belt black_hair blue_eyes blush bob_cut cravat gloves green_eyes hat highres idolmaster idolmaster_side-m instrument kagura_rei long_hair male_focus mero-n_usagisan microphone mini_hat mini_top_hat multiple_boys open_mouth smile starting_brighty top_hat tsuzuki_kei violin white_gloves
1boy :d bangs beamed_eighth_notes beamed_sixteenth_notes black_hair black_legwear blue_eyes blunt_bangs blush bob_cut copyright_name dotted_quarter_note half_note holding holding_paper idolmaster idolmaster_side-m kagura_rei kneehighs looking_at_viewer male_focus mero-n_usagisan musical_note open_mouth otoko_no_ko paper quarter_note short_sleeves shorts simple_background smile solo sparkle staff_(music) white_background
1girl bags_under_eyes blonde_hair blush brown_eyes choker earrings fur_trim glasses hair_over_one_eye hat idolmaster idolmaster_cinderella_girls jacket jewelry long_sleeves looking_at_viewer mero-n_usagisan necklace open_mouth shirasaka_koume short_hair skirt sleeves_past_fingers sleeves_past_wrists smile solo striped striped_sleeves