Nia Ackerman, a calm girl who is gentle but also unpredictable, she has a smart mind, her specialty is muaythai fighting.Nia has long, wavy black hair, narrow emerald green eyes, and a soft face. She wears a red t-shirt, black scarf, white trousers, brown boots. She is always calm even in critical situations. One more thing, she has a crush on Armin Arlert, a boy who is... geeky.