Thank you for _contagion_ for suggesting this (sorry, I only just remembered to add your name in)

Aries: Machiko

Taurus: Nona

Gemini: Chiyuki

Cancer: Decim
Ah, the only character I know

Leo: Takashi

Virgo: Oculus

Libra: Quin

Scorpio: Ginti

Sagittarius: Oculus

Capricorn: Yousuke Tateishi

Aquarius: Misaki Tachibana

Pisces: Clavis