Touko Kamijou, a talented criminal psychologist, sees Devils (remorseless killers) as the next step forward in human evolution. She researches them, alongside her young assistant Akane Shinkai, a girl who lost both her parents to her own self 8 years ago. She researches Devils, trying to understand what makes them (and herself) tick.
[Ch.3+4: explicit injury/near death of a small child]
[Ch.13 death of a 13(?) year old]
Innocent Devil