Time Reverse: Sephiroth Files

Zack Fair, gets back from a mission to check on a Mako Reactor. He calls Sephiroth who says he will be right over. When he arrives, he finds a black haired boy on Zack's bed. When he learns its Zack he has to take care of him. The silver haired General will find that he's still human. Sephiroth x Zack, Yaoi