Ena has found a job and has completed her credits. Meanwhile, Sugiura, a new middle-aged part-timer, couldn't learn the job easily, and other employees didn't want to work, so no one tried to join the shift. Ena, who was the only one who treated Sugiura without discrimination, was her heart. …and the day when Sugiura and Ena went to the night shift together. Sugiura goes into a frenzy when Ena warns Sugiura, who is trying to skip because there are no other employees.