Yook Joong-wan is the irresistibly handsome guy living in a Mangwon-dong's rooftop room. What's the rule of survival that Yuk Joong-wan chose? Also how to shop at Mangwon-dong Hwangtaejang, which dominates the Mangwon market! What's Jun Hyunmoo's prepared housewarming food? Yoseob's house has a cute new family member. He's been thoroughly and meticulously studying training for his dog.