1girl, animal_ear_fluff, animal_ears, arms_behind_back, bikini, black_bikini, black_hair, blue_archive, blush, breasts, cat_ears, cleavage, closed_mouth, e_name, frilled_bikini, frills, hair_ribbon, halo, long_hair, looking_at_viewer, lowleg, lowleg_bikini, navel, off-shoulder_bikini, off_shoulder, official_alternate_costume, red_eyes, ribbon, serika_(blue_archive), serika_(swimsuit)_(blue_archive), solo, standing, sweat, swimsuit, twintails