Open up the MS Paint program to start a new document. The program can be found in the Accessories menu on your computer.
Click on the background and foreground boxes, and select the colors you want each to have. Using a white background and black foreground is the most common choice for drawing manga because you can colorize it later.
Select the tool you want to use to draw a manga picture of a face, for example. Using the pencil tool allows you to draw any type of shape you want while clicking on the buttons for ellipses or rectangles will make that shape appear on your screen.
Draw the facial features with the pencil or brush tools.
Make light glares in the eyes by using the eraser tool. Click on it, and then remove a small section of color from inside the iris.
Create hair by clicking the "Line" and "Curve" buttons. These tools draw lines wherever the cursor is placed.
Scan your hand-drawn manga picture, and save it as a file on your computer.
Open the MS Paint application in order to begin the colorization process.
Open your scanned document within the MS Paint program.
Select the color that you want the foreground to be from the palette of colors shown.
Use the paint-bucket tool to fill a large area with one color. Click on the area to color, and then select the paint bucket. Be sure to change the color before repeating the process, unless you want to use the same color throughout your picture.
Use the pencil tool to touch up lines that may have been lost when you scanned your artwork.
Choose the paintbrush to paint small areas with irregular shapes or lines.
Print out your edited manga once you have finished coloring it. A hard copy may be easier to look at to notice mistakes or areas you would like to redo.
Save your document once you have it the way you want it.