We Are Open All Day Today

Finally, it's the last day at Jinny's Ttukbaegi. When will they get off work? No idea. Will they have a break? No. To sell out all of their menus today, they are open all day. "Mr. Dishwasher, please help!" Headquarters take special measures for the staff as there are nonstop orders and dishes to wash. Who's the new part-timer that made Intern Ko flustered?