1girl, animal_ears, blue_hair, blush, cat_ears, fake_animal_ears, jewelry, kneeling, looking_at_viewer, michairu, necklace, one-piece_swimsuit, open_mouth, orange_eyes, original, outdoors, partially_submerged, pool, sailor_collar, shirt, solo, swimsuit, swimsuit_under_clothes, thigh_strap, toy, toy_boat, water, water_gun