Dark Pretty Cure

Dark Pretty Cure is beside Sabaku whenever a Desert Apostle has audience with him, acting as his second-in-command. In the beginning of the story, she fought against Cure Moonlight and won her half broken Pretty Cure Seed. She has an overwhelming strength of battle that can beat Cure Blossom and Cure Marine easily and strip them of Pretty Cure mode. Despite this, she has a deep conscious of competition against Cure Moonlight, who is her best rival. She seems to have a special relation to Cure Moonlight, once she said that she is her.

In episode 48, it is revealed that Sabaku, who is Yuri's missing father, created Dark Pretty Cure from the Heart Tree's data and Yuri; which means that Yuri and her are sisters. For this reason, Dark Pretty Cure wanted to be rid of Yuri and be Sabaku's one and only daughter. She dies in Sabaku's arms and vanishes.