2girls, afloat, ball, beachball, bikini, bikini_under_clothes, blue_bikini, blue_hair, breasts, copyright_name, copyright_notice, green_eyes, grey_eyes, gundam, gundam_breaker_mobile, haro, hat, holding, holding_ball, holding_beachball, kotomori_ran, large_breasts, light_blue_hair, long_hair, lying, mature_female, miyama_sana, multiple_girls, navel, open_mouth, partially_submerged, pink_hair, purple_eyes, reaching, reaching_towards_viewer, reflection, ripples, sanakapool, see-through, shirt, sun_hat, swimsuit, taiki_(luster), thighs, two_side_up, unworn_hat, unworn_headwear, very_long_hair, water, wet, wet_clothes, wet_shirt, white_shirt, yellow_bikini, zaku_ii_s_char_custom