Asuka's shinobi heritage comes from her Grandfather Hanzō on her mother's side. Although her mother was a shinobi, her father was not. Asuka is a short girl who has her dark brown hair tied in a large ponytail with a white ribbon. Usually on Christmas, she wears a white scarf. Asuka has a joyful and friendly personality and believes in teamwork, sticking together and friendship. On rare occasions she appears to be gullible or clumsy.