1girl, akagi_koku, arm_support, azur_lane, bikini, black_bikini, blush, breasts, brown_eyes, cleavage, collarbone, crossed_bangs, day, hair_between_eyes, holding, holding_whistle, huge_breasts, long_hair, looking_at_viewer, navel, official_alternate_costume, open_mouth, outdoors, ponytail, pool, red_eyes, red_hair, sidelocks, smile, solo, swimsuit, teeth, upper_teeth_only, whistle, whistle_around_neck, zara_(azur_lane), zara_(poolside_coincidence)_(azur_lane)