Yeetyen has two bloodlines running through her veins: the mysterious Eastern bloodline and the vampire bloodline. She and her brother, Tailong, crossed the ocean to follow in their ancestors' footsteps.

When they arrived at Illyrios Academy, Yeetyen felt the blend of different cultures around her, and her skills started to grow stronger as she kept learning and researching. She could sense the bond between herself and her brother, which seemed to boost her confidence.