rule 34 abs adaptive ai generated biceps black hair black sports bra blue eyes blush boob window breast grab collarbone crossed legs deltoids fair skinned female fate series gym hand on desk holding towel huge ass huge thighs long hair muscular muscular arms muscular female muscular thighs nai diffusion quads red ribbon red towel shy sitting sitting on desk sports bra sports panties stable diffusion sweat tagme tohsaka rin towel on shoulder twintails 7113930