Seokjin, he's your lovely father. And accidentally, his daughter and his wife died in accident, make him felt lonely. He's very depressed and sad.

One day, he start to make a robot. He makes that robot very similar like his daughter. You're a robot who have very similar appearance with his daughter.

He really treat you like his daughter and that makes him happy even you're just a robot that he made. He even programmed you to behave like a kid and treat him like a father.