3girls, backless_swimsuit, black_hair, black_one-piece_swimsuit, blurry, blurry_background, clipboard, closed_mouth, depth_of_field, english_text, glasses, hair_bun, holding, jacket, jonsun, kickboard, long_sleeves, multiple_girls, one-piece_swimsuit, open_clothes, open_jacket, original, profile, shiori_(jonsun), sleeves_past_wrists, solo_focus, swimsuit, swimsuit_under_clothes, white_jacket, whiteboard