She wandered towards the raging battle going on between Hitsugaya and Aizen. Her steps like that of a sleep walker. She knew that either of them could have destroyed her in a flash but she was going to protect the one that she cared for.
She saw them draw apart as they regrouped for another round of attacks at banki level and the fury of the reiatsu lashing around the battle made her knees weak. She forged ahead placing herself between the combatants.
"No Shiro, I won't let you do this!" She screamed.
Hitsugaya stopped his attack forcing Hyōrinmaru to climb over her head and away from Aizen. "Hinamori, get out of here!" He yelled at her.
"NO! I won't let you do this!" She felt the close presence of Aizen behind her and heard his gentle voice.
"Thank you Hinamori, I knew that you would come to me eventually."
She felt his large hand touch her shoulder and at that moment she reversed her zampakuto driving it fully up under Aizens ribcage before screaming "Tobiume, SNAP!"
The look in his eyes was that of astonishment, then massive pain as the zampakuto straightened and sprouted jitte along its length.
"Tobiume, DEFLECT!" A blast of crimson flame blew out Aizens back leaving him hanging on the blade. "You made a mistake in never putting me under your hypnosis you bastard!"
Moral of the story: Never piss off the sweet ones.