Jun and Yuria, co-workers, are secretly in a relationship at work. Jun has finally returned from a week-long business trip, but Yuria has some trouble with a project. Unable to bear seeing Yuria working overtime alone in the warehouse, Jun offers to help out. However, even though it's the company warehouse, Jun can't help but get excited when they're alone together for the first time in a long time. Even though he knows it's wrong, they start to get lovey-dovey...!?