During his job hunt, part-time worker Sunahara Chuuya discovers a job posting for the "International Human Resources Bank" and applies without much thought. When he visits the office the next day, he finds it to be a prefabricated building! What's more, the company cafeteria on the second floor is unconventional, operating as a restaurant during the day. Together with the unique members of the company, they solve the problems of foreign workers with wisdom, courage, and deliciousness!