1girl, >_<, a-pose, ahoge, bare_legs, barefoot, bird, blue_one-piece_swimsuit, character_name, clenched_hands, closed_eyes, cold, collarbone, colored_inner_hair, covered_navel, furrowed_brow, gloom_(expression), iceberg, light_brown_hair, long_hair, multicolored_hair, naaga_sonomono, ocean, one-piece_swimsuit, onii-chan_wa_oshimai!, open_mouth, overcast, oyama_mahiro, penguin, pink_hair, reflection, reflective_water, school_swimsuit, sky, snot, solo, standing, sweatdrop, swimsuit