In search of an old arshi ff

Hey so there was a fanfiction in which khushi comes back after a long at the death ceremony of arnav's wife who was also khushi's friend and there is a flashback where it's shown arshi were in relationship and there was a one night stand due to which the girl became 0regnant and khushi tells Arnav to marry the girl and something like that please old readers if any of you remember the story ping me please

Thank..