2girls, aketa_mikoto, armpit_crease, bad_pixiv_id, beyond_the_bluesky_(idolmaster), black_hair, blonde_hair, blurry, brown_hair, depth_of_field, from_side, fur-trimmed_gloves, fur_trim, gloves, gradient_hair, hamedoragon, holding, holding_microphone, idol, idolmaster, idolmaster_shiny_colors, ikaruga_luca, layered_skirt, looking_ahead, looking_up, microphone, multicolored_hair, multiple_girls, music, outstretched_arm, profile, shirt, singing, skirt, sleeveless, sleeveless_shirt, stage_lights, streaked_hair, sweatdrop, white_gloves