1boy, 1girl, bikini, breasts, comic, covering_breasts, covering_privates, greyscale, indoors, large_breasts, medium_hair, monochrome, open_mouth, original, plaid, plaid_bikini, short_ponytail, side_ponytail, sparkle_background, sweat, swimsuit, tachibana_yuu_(yakitomato), takahashi_keita_(yakitomato), tearing_up, untied_bikini, yakitomato