Who or what is the antagonist in coffee snacks worms?

The antagonist in coffee snacks worms is the boy who tries to rob her because the antagonist is always the character who opposes the protagonist. This is often the character who creates the conflict of the story.

The protagonish is the centeral character or hero of the story who undergoes a conflict and a change in his or her life. (opposite of antagonist.)

In other Words Antagonist- usually bad character

Protagonist- usually good character

But sometimes the protagonist can turn out the be the antagonist in a story. But usually theres one antagonist and one protagonist... hope this helped you :)