Risty  

Benevolent Bandit of the Wilderness, Indomitable Heroine, Listy, リスティ

In the anime, there's a bandit who enters Leina during a fight with Melona. Though almost killed by Melona, Risty saves Leina's life. Afterward, Leina becomes obsessed with following Risty until she competes in the Queens Blade tournament.