Black Butler: The Reaper and the Raven

The Jack the Ripper case hadn't been the first time Sebastian met the Grim Reaper, William T. Spears. What happened between them less than a century before that William doesn't remember? And what happened that caused Sebastian so much hurt? WilliamXSebastian Yaoi and mpreg in later chapters.(for the Seb X Will: Claude fandom) some OOCness, Character death. PLEASE REVIEW!