1girl 2023 animal_ears arm_up bandeau bangs bare_shoulders bikini blue_archive blush bow bow_bikini chinese_zodiac closed_mouth fake_animal_ears flat_chest frilled_bikini frills hairband halo head_wings kneeling koharu_(blue_archive) looking_at_viewer low_wings medium_hair navel nnn051821 pink_eyes pink_hair rabbit rabbit_ears simple_background solo swimsuit twintails white_background wings year_of_the_rabbit