Coming back to see the emperor, the emperor is sitting in the bright hall, is not a couplet. Returning to see the emperor, the emperor is sitting in the bright hall. This is a poem in Mulan Ci, which means coming back to see the emperor, the emperor is sitting in the palace, it is not a couplet. Mulan Ci is a long narrative folk song from the north of China during the Southern and Northern Dynasties. It is also a Yuefu poem.