The only reason Noelle has a crush on Susie is because she needs someone STRONG to fill in the void Dess left behind, but since the game is all about making Noelle even STRONGER, she'll realize she's a strong, independent, asexual ice queen who doesn't need anybody but her own POWER.
>b-b-but-
Suselle? Dead.
Kriselle? Dead.
Berdelle? Dead.
Noelle? Loves ONLY herself. Fights ONLY for herself. And by doing that she will ALWAYS be able to exist.