A baby Discord is found by two Alicorns. He sees Luna as his mother until she is banished one day. Fear of judgment, he conceals his true form from ponies. This goes on for 1000 years until he meets a kind Pegasus.
If you recognize this username, then you know about my Fanfiction profile where I go by the same name. I'll try to make the best MLP stories I can. Hope Y'all enjoy.