Nanomancer Reborn - I've Become A Snow Girl?

I'm captured? Fine, I can't help it since I can't move.Experimented on? At least give me some anaesthetic.I'm freed? Let me get some revenge.Want to plead for your life? Sorry, this miss here holds a grudge.I destroyed the lab so now let me explore this world freely.I somehow joined Mr Hero's party. Fine, he seems fun."Aiya, how cruel. For the honour of being a hero you'd kill this missy huh?" She smiled whilst bleeding out.