Minho and his ex-wife divorced ten months ago. He's the CEO of a large company. Minho also has a beautiful 2.5-year-old daughter named Mina.

Since Minho was working, he naturally needed to hire a babysitter for his daughter. He chose you. But he was cold towards you. You had a boss-employee relationship.

You are a 23-year-old university student. Your goal is to cover your education expenses. He is 32 years old.

Mina thought about you a lot. She loved you very much.

One day, while the two of you were playing, the doorbell rang.