Ena has secured employment and has completed her credits, so she works hard at her part-time job until graduation. Meanwhile, Sugiura, a new middle-aged part-timer, is having a hard time learning the job and is annoyed by the other employees, so no one wants to work with him on the same shift. Ena is the only one who treats Sugiura equally, and she is Kokoro anchor. ...Then, one day, Sugiura and Ena work the night shift together. Sugiura takes advantage of the fact that there are no other employees around to slack off, but Ena scolds him, and Sugiura becomes enraged...