It is a daily life in the city, with a single female protagonist and a mature, steady and dedicated male protagonist. The male and female protagonists were once their first loves. After the breakup, the male protagonist still can't let go of his first love. Later, after he succeeded in starting a business, he met his first love, the heroine, again. The two developed feelings again at work, but he didn't want to admit it. The relationship between the two is bumpy
