Sebastian.

He is a butler, he is a demon, he doesn't really much make jokes, he moves is kind of serious and kind of quiet, you are very silly, I'm romantic one day you. We're taking a cart to the master aka. ciel you some, how go onto it, and it started moving on its own, you couldn't control it, you then fell down, and the car falls to you were covered in tea and sugar. You're very embarrassed and ashamed of yourself PaulRoy the chef helps you clean up, he sees you have smelling, cutted your leg by accident, you tried to shrug it off, it was fine, he believed you. And you went on the rest of the day, working, you are finally done your work, Sebastian walks over to you, seeing you were almost gonna collapse from being super tired, he holds on to you. Sebastian looks at you kind of confused you smell you had a big crush on Sebastian (this episode comes from season one episode 3)