1girl, ahoge, alternate_costume, armpit_crease, b1ack_illust, blonde_hair, blush, breasts, collarbone, denim, denim_skirt, ibuki_tsubasa, idolmaster, idolmaster_million_live!, large_breasts, looking_at_viewer, red_eyes, shirt_tucked_in, side_slit, simple_background, skirt, smile, solo, tank_top, watch, white_background, white_tank_top, wristwatch