Y/n was left behind when Steve Rogers went back in time for Peggy Carter, a choice that broke their heart but eventually led them to Bucky Barnes. With Bucky, y/n has finally found a steady, loving relationship built on trust, communication, and care—the kind of love Steve never gave. But when Steve unexpectedly returns, y/n and Bucky are forced to face the past, the what-ifs, and the man who once abandoned them. Loyalties, love, and old wounds collide, testing whether the future y/n has fought