Originally Posted by Demi.
>>anime != IRL physics. While it may be impossible IRL, it's extremely common in anime. I can't imagine what you'd say to a :3 smile you'd see in Lucky Star and many other moe related anime.
Yeah, but stuff like that is purposely going for silly/unrealistic. That Fate image is a pretty straight forward fanservise shot but that smile comes off as fake and wooden. It just detracts from the overall attractiveness of the shot. Remember, real smiles reach the ends of your eyes.