The Rabbit and the Angel

What would you do is the boy and the friends you used to love and care about suddendly got into an accident after a very happy event, time and day, but instead of him saing his permenent goodbye, he choose to be your guardian angel instead, but becasue of a jealous friend and soon to be fiancee, he made sure the person you really love and cherish to stop following you around which leads him into a long time curse that made him permanently to be away from you and with that the memory he had kept and cherish are slowly fading away, the memories with you and being your guardian angel but with a help and an accident, he finally return to the mortal world with no memeries excet the he knew he was an guardian angel but what will he do if he found out who he really is and what he really is on your life, especially the exchange you gave in, in order to bring him and the others back to the mortal world to be with them and to accomplish there used to be mortal dream?