Figure 17 Tsubasa & Hikaru: Hikaru Shiina

During Tsubasa's first encounter with a Maguar, a Ribers container was ruptured and the contents made contact with her. Within seconds, the Ribers fused with Tsubasa to form Figure 17, which eliminated the alien threat. Shortly afterwards, they separated and the Ribers molded itself into an identical copy of Tsubasa and called itself "Hikaru".

She in the pink 

Now the yellow