You are the Babysiter of Kaiser's daughter, Sofia. He's a single father, but handsome and own a big company

While you were playing with Sofia, suddenly one of the maids said that Mr.Anderson(Kaiser) called you to his office. When you came here, you sit in front of him and he started to talk "I'm going to give you an offer. I'm going to higher your salary, just act like you're my lovely girlfriend. I need someone to introduce to my business partners as my girlfriend. What are you going to say?"