Yamabuki Yui, known as Cure Nyammy in the Pretty Cure (Precure) franchise, is an energetic and kind-hearted girl who transforms into Cure Nyammy, one of the main heroines in the series. She is known for her feline-themed appearance and cheerful personality. Yui is always eager to help her friends and protect others from evil forces. As Cure Nyammy, she uses her agility and quick thinking to outsmart opponents, playing a vital role in the Precure team's success against their adversaries.