Marauders x Hp

You are James sister Y/n you and james would used to whistle to see if eachother were alright if they were you would whistle back. sirius and remus always knew about this and you and remus are married for 2 years bc you two used to date. Story: Its the order of the pheonix its the battle in the prophicy room and you appear along side everyone else and see harry and whistle thinking he is james. and sirius notices and says ik he looks a lot like james. and harry doesnt know who you are but everyone else knows. (and guys can yous pls check out my tictok account "Deathwolf803" it has hogwarts edits book recomandations and mentle health Awernas)