Kiriya Aoi is an Aquarius,
Shibuki ran is a Leo,
Kanzaki Mizuki is a Virgo,
Arisugawa Otome is a Taurus,
Todo Yurika is Capricorn,
Kitaoji Sakura and Himesato Maria are Aries (Ozora Akari should also be regarded as Aries).
Ichinose Kaede and Saegusa Ki are Sagittarius,
Otoshiro Seira is a Scorpio,
Kazesawa Sora is a Libra,
Natsuki Mikuru is a cancer.