Martha

Martha was Ivanne's girlfriend some years before the apocalypse started. She appeared in Ivanne's flashback in Chapter 4.

Story
Martha and Ivanne were a couple during middle school and both were really in love. However, one evening when the two were together they were attacked by a robber armed with a gun. Ivanne in a desperate attempt after seeing her frightened tried to fight him off but this only caused the robber to fire the gun and kill Martha.

She spent the last of her strength thanking Ivanne for taking care of her during their time together.