Andrew posted a photo of the note to Facebook, calling out the scumbag who wrote it.
"This morning we received our very first love letter from a racist coward," he wrote.
"School yourself before you drop off a note like this in our shop! The Asians who work here, one of them is a volunteer teaching assistant who wants to teach English in Japan and the other speaks 7 languages and can communicate with 70% of the world, what have you done with your life?
"If it offends you so much, kindly don't come in, it's as simple as that. No need to spread hate!"