It has been five years since I joined a stationery maker as a new graduate. Rumors of a company acquisition due to the deterioration of management due to the recent social situation, and a proposal from a boyfriend. Mahiro, a single-mother family, was swaying between the desire to get married early and reassure her mother and her own feelings of not being able to get married. Meanwhile, Atsushi of the same period who returned to work while working overtime. While talking about their memories when they joined the company, the two who drank alcohol for the first time in a long time ...