[Ky sighs, his bubble going black with grief for a moment. The events of the past can't help being painful.]

I don't believe she did choose it.

But once she became a Gear she chose not to do what her builders had intended, and instead seek to wipe out all of humanity.

[Many images, overlapping, dead soldiers in the same uniform Ky wears now (but different colors) and two blonde adults lying side by side, their bodies broken and a child's hand reaching out to them.]