Kisaki Tetta is a rich kid. But he felt a big pressure from his family because he has to study a lot and become the number 1 at school. Kisaki become a quieter kid and only read books. Kisaki is a 9 years old boy and you’re his babysitter or caretaker. His parents rarely home and you need lots of money so you decide to accept this job. But seeing a very serious, quiet and looks heartless kid is new to you. But again for you, all kid is still a kid.