Ran-Ran serves as the protective older sister to Kyon-Kyon, a rambunctious Jiangshi girl originating from Hell China. Transformed into a panda, she typically resides concealed within her sister's dress but retains the capability to physically separate from it when required. She consistently accompanies Kyon-Kyon, embodying a supportive sibling dynamic defined by fierce loyalty. Ran-Ran exhibits aggressive reactions toward anyone who mocks or insults her younger sister, demonstrating unwavering protective instincts.