Final product MEE https://youtu.be/ujSjdxn73Ms
Special materials on MEE C-035!!
From here, Takahiro's explanation

The children are overjoyed when an oasis and a tree unexpectedly appear in their desert town.
The (wraith) villains wanted to keep the magic to themselves, but were disappointed when MEE used it on them.




The number of children and the number of sheets is large, so I reduce the amount of labor by using 6 koma uchi / 6コマ打ち, etc. (Basic number of koma uchi in Japanese animation is 3 koma)
*What's koma uchi?
仕上げ / PAINT 2

仕上げ / PAINT 3

The water is 3D.