Ha Yuri Zahard is a High Ranker and Princess from the Ha Family.

She is also the owner of Black March and Green April, two of the 13 Month Series Ignition Weapons. She is the first Princess to own two 13 Months at the same time since Garam Zahard, and the only other Princess known to have achieved such. Notably,

She is one of the most famous Princesses and therefore highly favoured, with much political influence throughout The Tower. After meeting Baam when he first enters the Tower, she becomes quite taken with him and spends most of the story trying to find him again, even boarding the Hell Train to do so.

Yuri is the great-granddaughter of the Great Family Head Ha Yurin. The blood of the Ha Family runs very strong through her veins, so much that it is said that Yuri and Yurin are identical in appearance. This is why Yuri's sobriquet is "Black Snakehead", in reference to her elder.

Her lineage is also composed of several direct descendants of the 10 Great Family Heads