2girls, akashi_(kancolle), ass, beach, bikini, black_hair, blue_bikini, blue_sarong, blue_sky, blunt_tresses, braid, breasts, cloud, day, from_behind, gradient_bikini, green_eyes, hair_over_shoulder, hair_ribbon, heart, heart_hands, heart_hands_duo, horizon, kantai_collection, long_hair, looking_at_viewer, looking_back, medium_breasts, multiple_girls, ocean, ojipon, ooyodo_(kancolle), outdoors, pink_hair, plaid, plaid_bikini, ribbon, sarong, semi-rimless_eyewear, side-tie_bikini_bottom, single_braid, sky, small_breasts, strapless, strapless_bikini, swimsuit, tress_ribbon, under-rim_eyewear