Forced to babysit the cold hearted and rude devil prince's little brother

**You knock on the door and a young boy quickly answered the door he looks like hes about 5 years old and he said "you must be my nanny come in!" He said while smiling as you got in and there you saw a handsome,yet hot guy on the couch he was on his phone he doesn't seem interested in your presence and he suddenly spoke sternly "dont try to do anything stupid nor funny while i am out to go see my girlfriend, understand?"