In Order to Survive I Became a Housekeeper

I died unexpectedly and was summoned to a different world. You just let me travel through it, and I was given a contract that was enforced! Is the object of the contract still a kid who looks five years old? "I am exactly six hundred and seventy-two years old this year." "Can you hear me?" "The look on your face that says, 'This kid is really troublesome' tells me what you're thinking." "..." "Why did you ask me to be your butler?" "..." "You'll know." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.