Step #1
Draw an oval & Draw outline for hairs.
Step #2
Draw a circle & line as shown.
Step #3
Draw circles.
Step #4
Draw outline for lower face & lips.
Step #5
Draw outline for cap of willow from front and side angle.
Step #6
Draw outline for upper cap as shown.
Step #7
Draw two hairs.
Step #8
Draw side hairs as shown in diagram to give a decent look.
Step #9
Draw eyes.
Step #10
Enhance shape as shown.
Step #11
Make necessary improvements to finish.