After reading the short story "Bile", by Christine Lee Zilka, What is the overall tone of the text?

The story of "Bile" by author Christine Lee Zilka, explores the course of bitterness from one generation to another, and the acknowledgment of a hard life growing up through war of a first-generation American family.

"Bile" is set up by the ritual of tasting gallbladder, as a reminder of suffering.

The tone of the story oscillates among acid, awkward and traumatic, due the story is framed by the vestiges of the Korean War; so in the overall "Bile" has a bitter tone.