Miki is the one of the females from a small group who fled from the massacre.
Ginga Densetsu Weed
However, it turned out that running away was useless as Viktor and the Russian dog army had been chasing them till they stopped at the edge of a cliff. In the hopelessness of the situation, she was the first female who decided to jump off the cliff rather than surrendering herself to Viktor.
"I'd rather die than give birth to your demons!" - Miki's last words as she jumps.