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. “Che, you still have the mind to joke right now?” He said with a glare. “What is life if not to enjoy every moment? Since I'm going to die and I can't avenge myself, I hope someone else does.” “No one will. You were the only one who was more powerful than I w...