Akane

Akane (アカネ, Akane) also known as Scarlet Heart (スカーレトハート, Sukāretto Hāto) is the CPU of Aurora in the Conquest Dimension.

Etymology
Akane (茜) is a Japanese female given name. It combines the kanji for "aka" (赤) which means red, and "ne" (根) which can mean nature as in something one has had since birth. It could possibly refer to how Shiro's had red streaks in hair since birth just like her seniors. It correlates with Akane's position as the CPU of Aurora, the Land of Red Restoration as well as the fact that she is the junior of Red Heart.