First of all draw a circle.
Now draw these lines it'll help you to locate the area to draw eyes, nose, ear and mouth.
Now start drawing Bokuto's face beneath the circle.
Now draw his ears and eyes he has big almond looking eyes.
Now draw hia Nose and mouth. For his mouth draw a line curved upward at the ending of both side. Draw his mouth at the end of the circle.
Now draw hai hair above the circle as you can see in the picture above.