1girl, black_bow, black_dress, blonde_hair, blush, bow, bridal_gauntlets, brown_eyes, dress, flower, hair_bow, hair_over_one_eye, halterneck, obi, open_mouth, red_flower, sash, short_hair, simple_background, sitting, smile, solo, thigh_strap, white_background, shirasaka_koume, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, year_2018, 