Sometime during the summer of 100 ASC, Ming-Ming's village was "attacked" by a sky bison. She believed that the bison had abducted her grandmother, even though her grandmother was standing next to her, and was thus seen sobbing amidst the crowd of excited villagers. Sokka, seeing an opportunity to make money, offered to battle the "monster" and save Ming-Ming's grandmother, which Ming-Ming gladly accepted.
When Sokka attacked the "monster", it turned out to be not a sky bison but an armadillo bear. The sky bison, whom she believed had kidnapped her grandmother, then appeared and fought off the armadillo bear. She was grateful toward the flying bison and exultant that he had even "saved" her grandmother.