Serendipity

ser·en·dip·i·ty
ˌserənˈdipədē/
noun
the occurrence and development of events by chance in a happy or beneficial way.
"a fortunate stroke of serendipity"
synonyms: (happy) chance, (happy) accident, fluke

friend
frend/
noun
a person whom one knows and with whom one has a bond of mutual affection, typically exclusive of sexual or family relations.
synonyms: companion, soul mate, intimate, confidante, confidant, familiar, alter ego,
second self, playmate, playfellow, classmate, schoolmate, workmate