2girls, ;d, ahoge, armpit_crease, armpits, bad_pixiv_id, beret, blonde_hair, blurry, blurry_background, blush, crop_top, gloves, grey_hair, hamedoragon, hat, holding, holding_microphone, ibuki_tsubasa, idol, idolmaster, idolmaster_million_live!, idolmaster_shiny_colors, looking_at_viewer, microphone, multiple_girls, navel, one_eye_closed, serizawa_asahi, shirt, sleeveless, sleeveless_shirt, smile, upper_body, v, white_gloves