1girl, ahoge, alternate_costume, amane_sora, black_one-piece_swimsuit, blonde_hair, blurry, blurry_background, blush, bocchi_the_rock!, brown_eyes, competition_swimsuit, finger_to_mouth, from_behind, ijichi_nijika, index_finger_raised, long_hair, looking_at_viewer, one-piece_swimsuit, pool, side_ponytail, sidelocks, sitting, smile, solo, swimsuit, teeth, water, wet