The emplooye

The employee appears to have long, dark brown, messy hair and antlers on her head. She also wears a yellow uniform.The employee is probably Shenyin, since when she disappears, Shenyin appears. She wears reindeer antlers for her job. HEADCANON!: The employee works for Sarah, Sarah is the employee's boss (aka: Shenyin). Shenyin is Sarah's main minion and always serves her.