|Relatives||Jang So-Sul (daughter)|
|Fighting Style||Sun-Woo Style|
|Manhwa Debut||Chapter 18 (NW)|
He was a person with a great sense of responsibility and pride. He wished to protect pride and honor at all costs. This eventually led him to chose to defend the pride of the clan over his own life.
Some time ago Gyul would follow his father's footsteps, in becoming Gaju of the Sun-Woo Clan. He was once engaged to Hae-Jin Kwon (mother of Jin-Ie Kwon) but soon left her for another woman (who would later become the mother of So-Sul). It is implied, that he died in battle, defending the Sun-Woo Clan's honor, an action that earned the respect of clan member Jang-Il Jeong.
Jang So-Sul- She is the daughter of Jang Gyul. He care very deep about her will to sent her away in order to kept her safe.