Not bad. It's kind like a Black Jack/Ray copycat, but the art is really good. I'm looking forward to more chapters. I hope female characters don't become annoying.
Sad that this ended, felt like it wasn't supposed to end when it did. The art is really beautiful courtesy of Arakawa-sensei, but there was something about the storytelling that just felt a little flat to me - I feel like (and I haven't read the manga in awhile, so correct me if I'm wrong) the...
I'm still a bit confused if the main character is a male who was isekai-ed into female or just a female serial killer and the plot premise was Google Translated badly.