Yandere Trancy household x half demon Reader x Yandere Ciel household x Yandere Reapers Sebastian had an Daughter she was a half demon,her father seemed to never care about her her but the whole household of the phantomhive loves her deeply but she made a deal with Claude and they both will have a portion of Tracey's soul. How will Sebastian react when Y/n sees Claude as her new father?