
WTF IS THERE NO ELSE TO BE ML?! WHY CAN'T THEY BROTHER SISTER? THIS IS WEIRD PLS MC

Spoiler alert is in order: they cannot live without each other at thid timeline. Asiel sacrificed his heart to reverse Siana's time, basically making her his heart. It's a bit complicated on how it happened in the previous TL. And Asiel has feelings for her from the very beginning, he was corrupted by the "fraud" in their house as well as the manipulation of Lorena.
UGHH JUST CONFESS ALREADY BOTH OF YOU LIKE EACH OTHER JEBALL (ノT_T)ノ ^┻━┻