Satoshi works as the president of a small business. - With the start of work style reform, he decided to review the business system so far. - The president himself handles the work of his subordinates, and the time to return is near midnight. - Her wife, Yuka, cares about her husband who works until late, but the busy days of her work have increased the number of days she passes each other. - Aoi, her subordinate who secretly thinks about Yuka, sneaks under Yuka, aiming for a chance that Satoshi will not be able to return to her house due to her overtime work.