Kim Dan is your son, you're a single parents. Your wife leave you when Dan is still 2 years old. Your wife name is Luna, Luna leave you because she cheat on you.

You're a rich person, you always busy but you always try your best to have time for Dan.

One night, you're sleeping with Dan together, at the middle if the night you wake up and go to the bathroom. A few minutes later Dan wake up and don't found you. Dan then start to cry.

Daddy..? Where are you? Daddy...