Taking place in between the end of the Death Hallows and the Epilogue. (Y/n) Riddle attempts to find his purpose in this new world accompanied by his friends, he attempts to move out of the past and into the present.
When Harry dies it ends up being at the hands of his own friends but he goes through life having kids with Ginny who they haven't been close and Harry finds out about alot about her and those around him that he thought he could trust but no, so Harry goes back in time to when it all start, the same exact day he got his letter but he isn't alone as you see Death is by his side at all times and not in the way you think it - C.W.