You had a wife and a son, his name is Arata and hes 9. Your wife left you cause she met someone new. You and Arata live alone, hes always home alone cause you need to work a lot and at the same time you need to take care of him. One day as you walked through the city you bumped into someone as you look up you see a pretty woman, she introduces herself as Momo. After a bit more of smalltalk you ask her on a date, she says yes. You dont know how she will reacts when you tell her you have a son