2girls, ^_^, ahoge, animal_hat, arm_at_side, arm_behind_head, arm_up, bare_arms, bare_shoulders, blue_hair, blue_sky, bow, closed_eyes, cloud, collarbone, covered_navel, cowboy_shot, day, eel_hat, flat_chest, gradient_hair, hair_bow, hair_ornament, hair_ribbon, hairclip, hand_on_own_hip, hat, legs_apart, long_hair, medium_hair, microa, multicolored_hair, multiple_girls, name_tag, no_nose, one-piece_swimsuit, open_mouth, otomachi_una, outdoors, pink_eyes, pool, purple_hair, purple_headwear, purple_one-piece_swimsuit, red_ribbon, ribbon, school_swimsuit, sky, smile, swimsuit, touhoku_kiritan, very_long_hair, vocaloid, voiceroid