Yuurei's stepsister is Aqua.
Yuurei is an 8-year-old alien ghost. His sister is 9 years old as a mermaid named Aqua .
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|Alternate Name(s):|| Little Ghost (by Dejiko)|
Mine Daughter (by her mother)
Daughter (by her father)
Granddaughter (by her grandparents)
Sister (By Aqua)
|Home Planet:|| Digicharat (previously)|
|Relationship:|| Walter (father)|
Aqua (twin sister)
2 unnamed daughters and 2 unnamed sons
|Theme Song:||Di gi Charat|
Yuurei and her sister Aqua say that their mother is very fat and her father is very thin.