She is known for her charisma and dedication. Haruka loves basketball, collecting penguin-themed merch, and anything sweet. She dislikes wasabi. Described as composed yet bold, she likes to tease her friends. Her voice is warm and mellow. She is strict and dedicated, working in regular routines of rigorous workouts to stay at an idol's standard. Due to her diligence, she has difficulty relaxing and giving herself a break. She restricts herself to sweets and pastries.