[Naruto] Kakashi/Obito: Memory Trap

I'm back again... This story is a little like SK's Seven Seconds. I hope I can capture the feeling of Kakashi and Obito together. Tobi probably won't appear until much later... A semi-AU based on the original work, with a happy ending for everyone. Kakashi discovers that someone is missing from his memories, even though that person is everywhere in his life. Who could this person be? Happy ending Theme: