A Jeweler from Kobutsu, a planet in the Hoseki system, she is the daughter of King Saphiro and Queen Rubia, younger sister of Prince Toparz, and older sister of Second Princess Ameji. Like the Icejins of the Dragon Ball universe, the Jewelers have the same bodily features, even the tails, but are a bit more human- or Saiyan-like, give or take, and they have a gem on their foreheads; Hisui's gem is a jade, for which she is named after. Anyways, getting back to Hisui, she is twelve years old, entering a stage of puberty. On the day of her birth, a young girl from planet Earth named C.C. came to Kobutsu and gifted her with a mysterious ability called "Geass". Saphiro and Rubia feared that she could lose control over it, so they made her forget about ever having it, forbidding her from using