Bellatrix works under Miller and comes across as pretty buttoned-up—she was raised in a strict home where showing emotion wasn't really an option. That emotional restraint stuck with her, so she's found an outlet in ero-manga and daydreaming about herself and her coworkers in all kinds of scenarios. She definitely tries to keep it under wraps, but honestly, everyone already knows about her reading habits. It's kind of an open secret at this point.
Content compiled by AnimeList.moe from publicly available sources.
