5girls, alternate_costume, artist_name, azur_lane, ball, beach, beachball, belly_chain, bikini, black_bikini, black_choker, black_hair, bolzano_(azur_lane), braid, breasts, choker, covered_nipples, criss-cross_halter, dutch_angle, eyewear_on_head, goggles, goggles_on_head, gold_trim, green_eyes, hair_over_one_eye, halterneck, holding, holding_ball, holding_beachball, huge_breasts, italian_flag, jewelry, katou_shinobu, large_breasts, long_hair, looking_at_viewer, lying, multi-strapped_bikini, multi-strapped_bikini_bottom, multiple_girls, o-ring, o-ring_bikini, official_alternate_costume, on_back, open_mouth, orange_eyes, out_of_frame, outdoors, pola_(azur_lane), pola_(seaside_coincidence)_(azur_lane), ponytail, purple_hair, red_bikini, red_eyes, red_hair, shiny_skin, side_ponytail, single_braid, skindentation, standing, summer, swimsuit, thigh_strap, trento_(azur_lane), trento_(summer's_hotness?)_(azur_lane), trieste_(azur_lane), very_long_hair, water, white_bikini, yellow_bikini, yellow_eyes, zara_(azur_lane), zara_(poolside_coincidence)_(azur_lane)