surrender doesn't have to mean defeat
[http://archiveofourown.org/works/291132] - - public:opalsong
In a world where partnerships between Dominants and Submissives take place under the watchful jurisdiction of The Institute of Designation, Charles Xavier is a kindly, cardigan-wearing Dom who opposes many elements of the official system. Meanwhile, Erik Lehnsherr's past has taught him to struggle against his Submissive inclinations. When the two are placed together by the Institute, Charles has to find a balance between his conscience and his desires, whilst trying to teach a conflicted Erik that surrender doesn't have to mean defeat...