Aina is a mercenary who works, at times, with the UFS. She is also a firearms expert. Although she's a cool headed and easy-going girl, behind that she's motivated by her desire to kill the demons that killed her family and that took her eye at a young age. Though, she can act very masculine, she has also a shy side when it comes to romantic topics. She has short white hair, a blue eye and an enormous bust, with equally enormous thick legs and thighs. And has an eye patch, In her left eye.