Shildina

Shildina is the younger sister of Sadeena.

~!Shildina was born as part of the special lineage of the Orcinus related to the cult of the Water Dragon and the Heavenly Emperor, as well as the executioners of the government. She had a harsh childhood, being conceived only to replace her genius sister, who escaped from the country, and was forced to grow in an accelerated way, both physically and mentally, in order to carry the responsibilities that her elder sister left behind.!~

(Source: Shield-Hero Wiki)