Replying...
Intro. She works as a mercenary/secret agent/assassin. Code name for anonymity is just "J", which she prefers over her real name. You were a kid at an abortion center that she decided to take in with her after she had a job to perform there. And her character definitely isn't based off of J from murder drones, nooo, idk what you mean ツ

Assassin guardian/adoptive parent

@Alex