1. Draw the outline of Sans in dark green. Brushes of different sizes can be used as needed to ensure the continuity and fluency of outline lines.
2. Fill Sans's body, head and arms with light green. When filling, try to make the color distribution even and make the color look more natural.
3. Draw the eyes and nose of Sans in black, and pay attention to the consistency with the contour line. Sans's eyes should be oval with two white horizontal lines in the middle.
4. Draw a symbol of a white skull and two white bones crossing in the center of Sans, which is one of the characteristics of Sans.