doribae, , 1girl, animal, blush, brown_eyes, brown_hair, closed_eyes, hair_between_eyes, hairband, holding, holding_animal, iguana, open_mouth, sailor_collar, short_hair, short_sleeves, simple_background, skirt, solo, sweat, upper_body, white_background, white_sailor_collar, white_skirt, koga_koharu, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_u149, year_2023, 