Step one:
First draw a large arc and three small arcs to form a shape like this.
Step 2:
Then draw three arcs in the middle as a structure.
Step 3:
On the outside, draw a circle as the shape of the blueberry.
Step 4:
On the right, draw another circle and add an oval structure inside.
Step 5:
Then use arcs to draw the shape of the leaves.
Step 6:
Finally, apply a nice color and the blueberry is finished.