y/n and buck meet at the avengers tower and they fall in love with each other then Bucky asked t/n on a date and she said yes then a little while later they became girlfriend and boyfriend
A girl appears in Avenger Tower and turns out to be Steve Rogers' twin sister. She joins the Avengers and falls in love with none other than Natasha Romanoff aka Black Widow. What adventures can you expect? What ups and downs does she experience?
Natasha X Female Reader