DBSK's drama "Dating On Earth" is about the married life of a high school life of a couple. The husband is a high school student and the wife is a class advisor. The other 4 members are acting as Yoochun's classmates. Jaejoong is a transferred student who have lost his parents when he was young and was brought up in an orphanage. In the drama, Jaejoong will fall in love with his class advisor, then form a love triangle relationship with Yoochun, the class advisor's husband.