1girl, ass, barefoot, blonde_hair, blue_eyes, blue_one-piece_swimsuit, breasts, competition_school_swimsuit, drill_hair, from_behind, honolulu_(kancolle), kantai_collection, large_breasts, long_hair, looking_at_viewer, looking_back, one-piece_swimsuit, school_swimsuit, simple_background, solo, swimsuit, twin_drills, twintails, white_background, yatsushiro_sakura