Use different kinds of milk based on your preference. Also try with honey or stevia.
In a blender, combine chia seeds, blueberries (reserving a few for the top of each cup) coconut milk, maple syrup, and vanilla until combined.
Ladle mixture into 4 ramekins or small glass dishes.
Cover with plastic wrap and chill half hour to set up.
Top with fresh berries divided up between the 4 cups.