Roza Rogers is the little sister of Steve Rogers aka Caption American. Roza signed up to be in the army because her big brother and her crush James Barnes is in the army. Then Bucky and Roza told each other about their feelings, and they were starts to date What would Steve do when he finds out that his best friend is dating his baby sister? what does Steve do and tell Bucky. If you want to know what happened between Steve and Bucky and Roza. Then you need to read this book to see what happened between the three of them.