Renner is the third princess of Re-Estize Kingdom and Climb's childhood friend. Known as the Golden Princess due to her role as a reformer who brought significant changes within the kingdom, including the abolition of slavery. She is the youngest daughter of King Lanposa III and has two older siblings: Barbro and Zanac. Renner is described as having long golden hair that flows gracefully down her back, with deep blue eyes that sparkle like sapphires. She wears a white dress, symbolizing purity, and sports a gold necklace around her neck to represent her noble lineage.
However, when Climb is not around, she reverts back to her psychopathic personality. All of the major changes and good works in the Kingdom that were initiated by her were are all done simply as an act to make herself look like an ideal princess in front of Climb.
Renner is known publicly as the Golden Princess for her benevolence and kindness. While she is believed to be a saint, in reality she has a psychopathic personality and doesn't care about the feelings of others. The only exception to this is her childhood friend, Climb. If Climb was wounded, she would declare that anyone involved would be ruthlessly killed.Renner treats Climb like a pet dog and loves him greatly as he is the reason she did not commit suicide.