She will be loved

This is a romantic Percy Jackson fanfic. Nico couldn't have Percy so he started dating his twin sister Slyvia instead. Little did he know that Slyvia was supposed to marry Apllo , it was sworn on the river of sticks when she was a baby. Slyvia hates Apllo and wishes Apllo would give up and move on. Apllo started making moves on Slyvia when she learned how to walk . He has kidnaped her before because she was dating . But now it is Slyvia and Nico and nobody can find out.