Sung-Sun is fiercely loyal to Harribel. Harribel, in turn, serves as a mother figure to Sung-Sun.
Unlike her fellow Fraccion, Sung-Sun was more polite towards Ben when they first met. She was even the first of the three to go on a date with the young hero. During the date, Sung-Sun reassured Ben that he won't mess up in making sure his girls are happy, and comforted him after Loly attacked.
Franceska Mila RoseEdit
Like her mistress and fellow Fraccion, Sung-Sun hates Nnoitra for his misogynistic behavior and arrogance.