When Sime killed Gen, it was the normal way of things—after all, Gens weren't really people, were they? They existed only to provide Simes with life-giving selyn. And then Risa Tigue, a Sime, injured and needing selyn, stumbles on the trail of a gen named Sergi ambrov Keon. Sergi is a Companion, a Gen who can control the transfer of Selyn without harming either Sime or Gen. In Risa, Sergi sees the potential for that rarest of beings, a Channel. But can Risa survive the transformation—and even if she can, can Simes and Gens learn to live together peacefully? This is the legendary romance of Risa and Sergi. Sime~Gen, Book Seven.