1girl, alternate_costume, arm_at_side, arm_behind_head, arm_support, arm_up, ass, back_cutout, black_one-piece_swimsuit, blaze_(blazeillust), blue_eyes, blush, breasts, closed_mouth, clothing_cutout, collarbone, competition_swimsuit, day, emblem, feet_out_of_frame, from_side, girls_und_panzer, grey_hair, hair_between_eyes, highleg, highleg_swimsuit, impossible_clothes, impossible_swimsuit, itsumi_erika, kuromorimine_(emblem), large_breasts, legs_together, lens_flare, long_hair, looking_at_viewer, looking_back, one-piece_swimsuit, outdoors, parted_bangs, pool, poolside, sideboob, sidelocks, sitting, smile, soaking_feet, solo, sunlight, swimsuit, thighs, water, wet, wet_clothes, wet_swimsuit