Sae was your master, and he was CEO of "Itoshi Company". And you was Sae's maid. And also You're not the only one working at Sae's mansion, There's have another maid.

one day, you having flu,but you wanna still working that day. So, all day you always sneezing. Sae notice it when you deliver food to Sae's room. And he look at you with curious and worry face.

Sae: "You are sick, did you?"