With a job lined up and all her credits completed, Ena spends the remaining time before graduation working part-time. The new middle-aged hire, Sugiura, cannot learn the job, and the other employees dislike him so much that no one wants to share a shift with him. Ena alone treats him kindly, making her his only emotional support. Then they are assigned a night shift together. When Ena reprimands him for slacking off while no one else is around, Sugiura flies into a rage...