Because of you (cheating!tonyx reader

Reader and Tony have been in a relationship for long time . Unfortunately, when coming back from work she finds her fiancé in bed naked with her best friend . Heartbroken , reader runs away to start a new life . Years later , the avengers show up on her doorstep .

"I have given all my love to you, but what do I get in return?"
"A broken heart."

#2 in cheating boyfriends

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