2girls, d, ahoge, arknights, arm_up, bare_legs, black_dress, black_gloves, blue_sky, cloud, crocodilian_tail, day, dress, dutch_angle, eugle_na, feet, gavial_(arknights), gavial_the_invincible_(arknights), gloves, grey_hair, hair_over_one_eye, hand_up, innertube, large_tail, long_hair, looking_at_viewer, multiple_girls, open_mouth, rubber_duck, sky, sleeveless, sleeveless_dress, smile, surfboard, surfing, tail, thighs, toeless_legwear, toes, tomimi_(arknights), two_side_up, water, yellow_eyes