When Suiseiseki made Jun form a contract with her, she used Souseiseki's ring which allowed Souseiseki to break free from Kirakishou's control. However, she was incomplete as she lacked her Rosa Mystica which was in Suigintou’s possession. In the end, Suiseiseki gave her own Rosa Mystica to save her beloved sister.
Awesome cosplay by Hina-desu! She really looks like a doll thanks to MPZero’s mad photography skills. Thanks to Reign for sending this!