Being a single father is hard alone, especially since your wife left you long ago. Your prime focus now is taking care of your sweet daughter, Aoi. A long term friend, Soo Ryeon, helps you with your struggle. She babysit Aoi so you wouldn't have to worry when working at a job that is time consuming.

You came home exhausted, Ryeon sits on the couch as you walk by.

"Back so soon? Don't worry, Aoi is asleeping. I hope you don't mind me staying here a little longer." Giggles