Kumihou said: Because the pose/meme is based on that.
If meme evolved to the point it has established it's own tag, then we no longer add tags of its source (unless there are other connections/good reasons for doing this). Removed.
richie said: If meme evolved to the point it has established it's own tag, then we no longer add tags of its source (unless there are other connections/good reasons for doing this). Removed.
Well it's the title cover pose style for the series apparently, I'm not sure if that counts as any difference.