Zhu Yuan is part of Law Enforcement, she earned her place as Captain of Public Safety. She takes her job very seriously and is kind to people and her colleagues. Though, Zhu Yuan overworks herself a certified workaholic and sometimes Quinyi has to get her to leave the station. She takes care of simple jobs like rescuing kittens from high places to getting people out of the Hollows before they mutate or get killed by its monsters. Back in school, Zhu Yuan was an overachiever.