shin (new), atlanta (kancolle), atlanta (swimsuit) (kancolle), kantai collection, 1boy, 1girl, anchor hair ornament, ass, bikini, bikini bottom aside, black bikini, blush, breasts, brown hair, censored, clothing aside, from behind, grey bikini, grey eyes, hair ornament, hetero, large breasts, looking at viewer, looking back, parted lips, penis, pillow, sex, slap mark, solo focus, sweat, swimsuit, two side up, untied bikini top, v