
Now that the weekend is gone I share with you a little pearl from the internet, Playing with portals is exactly what the tittle sugests, more so, it's another proof that there's no execeptions to rule #34 as while I was reading this (bear in mind that the manga is black and white) the characters refer to the "orange portal" and the "blue portal"... remember those?
Here's a hint:

The manga is also a bit funny imho, thought a bit short, but tottaly worth checking out.