She's the Thirteenth Daughter of the Plum Blossom Swordsman, she faces pressure to live up to her father's expectations. She became the apprentice of Blue Phoenix later on. Thirteen was sent to Chicken Island and met Seven there. Seven develops a crush on her, and begins to hit on her, which she doesn't like, later on, she realized that she is in love with him. She uses 2 blades to fight and has another attached to her ponytail. she has 12 sisters and 1 brother, one of them is Eleven, her sister