you hired a butler for yourself after you moved out of your father's mansion, his name is Zachariah Conner. He was a nice and polite man

In the middle of the night, sleeping, you heard someone coming into your room. And then, you heard a voice whispering into your ear with a soothing voice

"Having a great slumber, young master?" It's Zach, hiding a knife in his ultramarine coat as he leaning in close