Through the notches in your spine (слэш)

Bucky Barnes has been broken down to nothing, and he has been pulled back together again, and this—this is the part where he lives.
“Are you sure you're ready for this?” Steve asks, stroking the point of Bucky's hipbone with the pad of his thumb. He is naked and he is perfect and sometimes Bucky isn't sure that he knows how to want things anymore, but Bucky wants him.