Reference of finished painting
Step one: First draw a curve, which is the ghosts cloak.
Step 2: Then draw a wavy line below to connect it.
Step three: Then use curved lines to draw the two hands of the ghost, as if they are lifted up.
Step 4: Then draw its round, terrifying eyes and its curved mouth with arcs.
Step 5: Around the big ghost, draw two smaller ghosts, composed of curved cloaks and round eyes.
Step 6: Finally, apply nice colors and the ghost is finished.