Kasuga was a young woman with long black hair and was seen wearing the standard Zoldyck butler uniform.
Little is known about Kasuga's personality. In spite of the rules of the Zoldyck household, she dated a man online and the two eventually became a couple. She started to love him even more than her ill mother.
Kasuga grew up in an orphanage. She was then trained to become a butler the Zoldyck family. Her mother is sick and the two can meet only once a month for thirty minutes. Shortly before her death, Kasuga had started to date a man she had met online.
13th Hunter Chairman Election arc
Illumi made a deal with her that if she listened to Alluka's requests; he would overlook her forbidden romantic relationship with a man she met on the Internet. When she was with Alluka, she asked for her liver, duodenum, spine and brain consecutively, which were all declined by Kasuga. As a result, the cost of the billionaire wish made previously by Yasuha was transferred to her, her lover, and 65 other people, including her teachers and classmates inside the Zoldyck estate, all of whom were crushed to death at the same time.
- ↑ 1.0 1.1 1.2 Hunter × Hunter - Volume 28, Chapter 322
- ↑ 2.0 2.1 Hunter × Hunter - Volume 28, Chapter 323
|Members||Maha Zoldyck • Zeno Zoldyck • Silva Zoldyck • Kikyo Zoldyck • Illumi Zoldyck • Milluki Zoldyck • Killua Zoldyck • Alluka Zoldyck • Kalluto Zoldyck • Zzigg Zoldyck|
|Members||Tsubone • Canary • Amane • Zebro • Seaquant • Gotoh (former) • Mitsuba (former) • Kasuga (former) • Yasuha (former) • Hishita (former) • Hasama (former)|
|Members||Mike • Unnamed dragon|