Maybe heroic isn't the most accurate word, moreso gratitude/obligation to work for her after taking her off the streets, but seeing the scale of destruction makes her think "Whoa, I didn't sign up for this shit"
Maybe I'm just looking too deeply into a little detail, I've just got a hard-on for villains joining the good guys, and an even bigger hard on for delicious brown girls>>79453722
They missed a beat>>79453792
Anime heroes are always teenagers. I mean, Naruto was like 13 when that show began and they were already stopping wars