//=time() ?>
Eri had a surgery to replace some of her organs (most likely her heart) to better adapt to space and survive. This is shown on her suit as well, having a rather bulky chest piece that's not present in other suits in the show so far.
I FUCKING CRACKED WHY SULETTA CAN PILOT AERIAL WITHOUT GETTING HURT #G_Witch
Spoliers for the Story So Far!
@The_Gundam_Gal Also She looks so fucking in Love here! (i highly doubt that Suletta actually had a crush on Elan after the duel too tbh)