![](https://cdn.animecharacters.io/images/characters/large/80303-1d8a3c66.jpg)
Aen Si (シ・アエン)
Aen is pilots the Briest of Fire and twin sister to Si Tau. Si Aen is cool-headed and able to look at the big picture. Although she pushes her sister hard, she cares for Si Tau deeply.
Voice Actors
Tara Sands
English
Rei Sakuma
Japanese