There lived 2 kingdoms in 1 specific world. There's a princess kingdom and a prince kingdom. In the prince kingdom, there is a king that is married, but the queen died. The king is Junsu. He lives in the kingdom with his assistant Wooyoung. He had Junho as his servant, Changsung as his news reporter and leader of war, and has 3 handsome sons, Nichkhun, Taecyeon, and Jaebum. In the princess kingdom, Kim Jonghyun and Kim Kibum is the rulers of the kingdom. They had 3 beautiful daughters, Minho, Onew, and Taemin. 15 years have passed when the kids of 2 kingdoms had turned 15, they went to earth for better life and finding a true love. When that happened, the princes and princesses bumped into each other. They fell for each other. 

Note: SHINee characters Key, Minho, Onew, and Taemin are girls, not boys.