Soak the Soybeans (1/2 cup) overnight to soften.
Drain the soaked soy beans and add it into a blender. Add in Water (3 cup) and blend well.
Strain using a strainer, and make sure to squeeze out as much liquid as you can.
Pour the leftover soy pulp back into the blender. Add Water (2 1/2 cup) and blend well. For a lighter taste, use 3 cups instead.
Strain using a strainer, squeezing out as much liquid as you can.
In a pot, add in raw mixture and Granulated Sugar (3 tablespoon), turn the heat to medium high, let it boil for about 5-8 minutes. Stir continuously so that the bottom won't get burnt.
Skim off the foam on top.
Shut off the heat and strain the mixture again.
And now it's done! Chill in the fridge if you want.