1girl, arm_support, bare_shoulders, bed_sheet, breasts, closed_mouth, competition_swimsuit, covered_navel, gridman_universe, highleg, highleg_swimsuit, large_breasts, light_blush, looking_at_viewer, one-piece_swimsuit, purple_eyes, purple_hair, shinjou_akane, short_hair, signature, simple_background, sitting, smile, solo, ssss.gridman, swimsuit, thighs, twitter_username, white_background, white_one-piece_swimsuit, yoo_tenchi