Draw a line.
Keep the pen and hand still, and move only the nail of your little finger lightly and very slowly at a constant speed while touching the paper.
Move slowly to the end point where you want to cut the line, and make sure you finish at the same speed.

--- p.18

If you just express the shadows well, the three-dimensional effect will come alive well.
It's an effective way to express three-dimensionality without using a lot of coloring.

--- p.31

To create a three-dimensional effect, instead of painting the entire white object, paint only the dark parts gray.

--- p.37

The side looks slanted, so the actual length you draw is not that long.
You shouldn't draw it long just because the side is originally long.
Please draw it as short as it actually appears.

--- p.43

The sky is a large area, so you need to create a generous amount of color and keep adding to it so that no brush marks remain.

--- p.53

Please do not paint the tree with just one shade of green, but paint it with different shades of green.
It looks much richer and more varied.

--- p.61

If you draw the flowers and leaves in the center first and then expand them outward, you can easily draw even complex-looking objects.
Because the flower is small, it is okay to just draw the overall outline shape.

--- p.71

You can express the ripples of the sea by painting it horizontally with the tip of the brush.

--- p.96