1girl, animal_ear_fluff, animal_ears, aqua_hair, bikini, bikini_skirt, blue_archive, blue_footwear, blue_hair, blue_ribbon, blush, border, breasts, cat_ears, chromatic_aberration, collarbone, feet, foreshortening, frilled_bikini, frills, gradient_hair, grey_background, hair_ribbon, halo, head_tilt, izuoku, knees_together_feet_apart, knees_up, leaning_back, legs, long_hair, multicolored_hair, official_alternate_costume, pink_eyes, ribbon, sandals, serika_(blue_archive), serika_(swimsuit)_(blue_archive), sidelocks, sitting, solo, swimsuit, toenails, toes, twintails, white_border