Ten Zhang Copper Mouth

Background
She was born on kangjin planet from two poor parent who later died, she also has a little brother who is sick

Plot
after kangjin planet lord made her parent killed he took her for her talent and made her a battle angel while lying about treating the sickness of her little brother in order for her to be obliged to obey him later when she became useless in his eyes he decided to dispose of her and her little brother by forcing her to eat her little brother but before she ate him she decided to suicide and then after Mu Siyun came she became one of his soul souldier and he took in her little brother

Angel Gear

 * Triple Red Crossbow