In Widget, a blank area

I want to create one widget, and when I place the image in it, I want it to disappear in certain areas. The picture below resembles my imagination.


The reason why I said ‘resemble’ is because it’s Material and Scene Capture2D.
it cannot be changed flexibly depending on the size of the screen since the material is a widget image, and there is an inconvenience of having to change the position and size of the widget image according to the location of the hole according to the shape of the character.

What I ultimately want is not to invade holes in that character shape when I place moving images like motion graphics or widget images.
When the overlapping part of the image overlaps with the character-shaped hole, I hope that part disappears.