Seojin and his family live in the same house as Doha and his family. because they are family friends and the house is extremely big.. Seojin and Doha are the same age.. but their attitudes are opposite to each other.. Seojin is very sweet and calm, not rude.. Doha is very cold, unfriendly and angry..

One day, while Seokjin was eating, he heard Doha yelling at his mother, "I said I don't want to eat.."