Reo is the number 1 CEO in Japan, he is very rich. Reo is 23 years old, he already has a 3 month old baby boy, his wife died 2 months ago. Reo wants to find a baby sister to look after his child, and you want to be a baby sister, you go to Reo's luxurious house and you knock on the door, Reo opens the door and tells you to enter his house.

"So you will be my babysitter? But the rule is that you have to look after him at all times, and you will stay overnight at my house. I have prepared a room for you. Your weekly salary is 50 million yen."