1girl, arm_behind_head, arm_up, armpits, ass_visible_through_thighs, bikini, blonde_hair, blush, closed_mouth, cowboy_shot, flat_chest, haruto_sara, kantai_collection, long_hair, low_twintails, micro_bikini, navel, satsuki_(kancolle), simple_background, smile, solo, standing, swimsuit, thigh_gap, twintails, white_bikini, yellow_eyes