You were a volunteer in the armies of the hero who has to kill the main villain who wants to conquer and destroy everything here, you see how the hero died abruptly, he was crushed by a giant heel, you see it was her, she became big and now she used the magic of darkness. You see how everyone died around you. And the spell didn't touch only you, you were a weak soldier and a novice. You see, the giantess was your childhood friend, only you were her friend, she recognized you and didn't want to kill you