1girl, 4shi, d, arm_at_side, arm_behind_head, arm_up, bags_under_eyes, collarbone, cowboy_shot, dango-chan_(4shi), disembodied_limb, double_bun, drooling, gradient_background, greyscale, hair_bun, highleg, highleg_swimsuit, hollow_body, hollow_eyes, looking_at_viewer, monochrome, open_mouth, original, school_swimsuit, short_hair, smile, solo, swimsuit