Kongou's younger sister. Unlike her sister, who was raised at the Royal Navy, she was raised at the Sakura Empire, and longs to be as graceful and refined as Kongou. Then again, Haruna is often found solving problems with her fists, and her wild side makes it difficult to attain this grace she so longs for. She is working apart from Kongou at the Joint Military Exercise. What she will experience there is yet to be told.