1girl, armpits, arms_up, artist_name, ayase_honoka, bikini, blush, breasts, brown_eyes, brown_hair, cleavage, cloud, cloudy_sky, collarbone, day, dot_nose, flower, front-tie_bikini_top, front-tie_top, hair_flower, hair_ornament, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, kisuna, long_hair, looking_at_viewer, medium_breasts, navel, parted_lips, purple_bikini, sky, solo, sweat, swimsuit