(Protagonist, second son / 9 years old) Occupation: Elementary school student (Helper in family business) Characteristics: A brave boy who does not yield to discrimination and bullying at school. He shows great initiative for his family, such as stealing carp for his pregnant mother.

(Youngest son / 5 years old) Occupation: Preschooler Characteristics: A close companion who admires and follows his older brother Gen everywhere. Although he often complains about being hungry, he serves as the family's source of energy in the dark times of war with his unique charms and butt dance.

(Eldest daughter, first child / 11-12 years old) Occupation: Elementary school student (Housework assistant) Characteristics: She faces direct discrimination at school, being slapped for being the child of a "traitor." At home, she is a dependable daughter who handles the housework to help her heavily pregnant mother and looks after her younger brothers.

(Mother / Late 30s to early 40s) Occupation: Housewife Characteristics: She is in the late stages of pregnancy with her fourth child. Although her body is weak due to malnutrition, she shows devoted maternal love by starving herself to take care of her husband and children first.

(Father / Mid to late 40s) Occupation: Clog (geta) maker and painting artisan Characteristics: He is tortured after being branded a "traitor" for openly criticizing the militarist war. He is the spiritual pillar of the family, emphasizing a "barley-like spirit" to his children to overcome trials.