Blooming goodbyes

Nairu Richinase as in Lythania Larche, met a blood sorceress which is actually her long lost friend since three years ago. Little that she know they're going to be in the same high school-- and become room mates to be exact. Rakurai rouge possess one of those rare ability in the elemental history, that made her unique enough to get the enemies attention. Because of her, this floral sorceress will have to help even going to the most hectic situation, but of course its for the sake of her childhood friend.
Moreover, after everything goes through....... what will happen next?