Fusion With Rei: https://www.deviantart.com/aniahmator/art/Rei-And-Gem-Fusion-734543129
Fusion With Rei & Ini: https://www.deviantart.com/aniahmator/art/Rei-Gem-And-Ini-Fusion-734710735
Gem is one of the spirits that help out Rei as the Zodiac Wielder. She is rather outgoing and bubbly, warming up to Rei almost immediately. Along with the 12 other zodiacs, she aids Rei in fighting the Reverse Zodiac Wielder and the 13 Reverse Zodiacs. She is the twin sister of Ini.