Yurina and Yukihiro are newlyweds who met at work, made love, and ended up together. With the arrival of a new employee, Yukihiro has now risen to the position of boss. He works hard all day and comes home exhausted at night, unable to fulfill his marital obligations. The new employee, Takashi Kiuchi, although a rookie, has many complaints, doesn't work overtime, learns poorly, and is a bit of a nuisance to others. Yurina decides to support him and teach him at work, but...