I'm Your Moon.

Pray, the noble heir of Ussanakorn Palace, falls in love with Earl of Sitalaras Palace — a graceful and perfect lady. However, their love is impossible, for a deep-seated grudge exists between Ussanakorn Palace and Sitalaras Palace, making it impossible for them to be together. Pray suffers greatly, tormented by the true love that yearns for fulfillment. Until fate gives them a second chance — Pray and the Earl are reborn. Will the two of them be able to join hands and prove their true love at last?