The characters working on part-time job is an important part of this story.

A part-time job is a form of employment that carries fewer hours per week than a full-time job. Workers are considered to be part-time if they commonly work fewer than 30 or 35 hours per week. There are many reasons for working part-time, including the desire to do so, having one's hours cut back by an employer and being unable to find a full-time job.