If she were able to revive them, couldn't she then cripple those people, make them paraplegic or something? Or blind them? There are other ways of getting rid of someone that may want revenge against you other than killing them. I dunno, I don't like the idea of Haruka killings. Feels like the...
I recommend you guys changing your language filters on mangadex so you can see the rest of the chapters in spanish. I really liked this manga. It's a pity the english translators dropped this.
I really enjoyed this series. Thank god my spanish is good enough to let me read those chapters. Even though Sakuma's wife is such a badass and cool character, I still wanted to see him together with Aioi at the end (forgot her true name).