The Guilty Volume 2: Original Sin (Yaoi novel)

Toya Sakurai, a successful editor, is involved in a searing relationship with the famous author Kai Hodaka who is in his charge. The fact that Toya has become lovers with the author who he so completely respects and admires shocks him. He begins to wonder how he will be able to reconcile his physical relationship with his work - until Toya is unexpectedly assigned to work with a new author!