Glass  

Fan Hero, グラス

The Sprite People created glass, who later became a hero after obtaining the Vassal Fan. Kizuna was one of the legendary heroes in her world, and Glass assisted her on her adventure. They formed a close bond during this time. Later, Glass found herself trapped in an unescapable labyrinth while trying to save her world from destruction. Desperate for a solution, she traveled to Naofumi's summoned world and decided to kill the legendary heroes there in order to prevent the worlds from merging together.