Gentle and compassionate, Chiyuki does her best to act like a big sister. Her gentle smile is considered impressive. Her special characteristic is her calm appearance that gives her a motherly feel. She has skillful fingers, and her hobby is creating cute accessories. Despite her composed demeanor, she'll often hide her true feelings when stressed or doubting herself. Due to that, Tenka Osaki and Amana Osaki once said that she seemed to feel more like a mother.