| Sn | Mn | Me | Vn | Ma | Jp | St | Ur | Np | Pl | Chr |
| Sc | Tr | Sc | Lb | CA | Gm* | Tr* | Cp | Cp | Sc | SS |
| Starchain Legend | |
| Fire | Ar: Aries Lo: Leo Sg: Sagittarius |
| Fire-Earth | AT: Aries-Taurus LV: Leo-Virgo SC: Sagittarius-Capricorn |
| Earth | Tr: Taurus Vr: Virgo Cp: Capricorn |
| Earth-Air | TG: Taurus-Gemini VL: Virgo-Libra CA: Capricorn-Aquarius |
| Air | Gm: Gemini Lb: Libra Aq: Aquarius |
| Air-Water | GC: Gemini-Cancer LS: Libra-Scorpio AP: Aquarius-Pisces |
| Water | Cn: Cancer Sc: Scorpio Ps: Pisces |
| Water-Fire | CL: Cancer-Leo SS: Scorpio-Sagittarius PA: Pisces-Aries |
*Birth location/time may be inaccurate (but sufficient for astrological purposes). Courtesy of masteringthezodiac.com
Aiko is the only daughter of Emperor Naruhito and Empress Masako, granddaughter of Emperor Akihito and niece of Crown Prince Akishino.
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