1girl, 2021, animal_print, apron, bikini, bikini_top_only, bow, breasts, brown_hair, chinese_zodiac, cow_print, floral_print, frilled_skirt, frills, hair_bow, happy_new_year, idolmaster, idolmaster_shiny_colors, japanese_clothes, kimono, long_hair, looking_at_viewer, new_year, obi, open_clothes, open_kimono, pekoni_(peconi), pleated_skirt, print_bikini, purple_eyes, sash, skirt, smile, solo, swimsuit, tsukioka_kogane, waist_apron, wide_sleeves, year_of_the_ox