The Son of the Moon

(MPREG!!) Felix was born on the moon by a secret race/Kingdom. He was the prince, so he is considered the son of the moon. When he turned about 20, he was released to earth, not knowing anything about it. Then, a man offered help after being attacked. They eventually fell in love and had a child. Not long after Felix had the child, he was forced to go back to the moon, leaving her husband? and child. He left a note for him, saying they might meet again.