In Between Shades of Grey

"Not everything is black and white. You realize this, and a part of you wishes you'd known that a long time ago so it could prepare you for what's to come. Your brother is Kira, and now that you know, there is no going back." On Sayu Yagami's deathbed, she meets a Shinigami. This Shinigami isn't Ryuk; in fact, it's a visitor that she's been expecting for quite some time.