Additional mini-game "MILK IN BLACK"

In "Chickempic," the multiplayer mode of Viviter where you can play with up to 8 players, we're adding the "MILK IN BLACK" mini-game!
The café au lait on this planet is all about the perfect ratio of coffee to milk.
Make me a cup with this exact strength.
The instructed barista adjusts the ratio by pressing buttons on the server.
Eventually, the café au lait is ready and handed over.
Now, let's see if it's made just the way I ordered.