1girl, alternate_costume, arm_behind_back, bikini, blue_eyes, blue_hair, breasts, cleavage, closed_mouth, double_bun, grabbing_own_arm, grey_background, hair_bun, kantai_collection, large_breasts, looking_at_viewer, maru_(marg0613), one-hour_drawing_challenge, short_hair, side-tie_bikini_bottom, simple_background, solo, swimsuit, twitter_username, urakaze_(kancolle), white_bikini