S1, E6: Izumi suddenly leaves home after hearing Kahoko's declaration that she wants to become independent. With the mother gone, the house is a complete mess, and Masataka and Kahoko have to work hard at chores they're not used to doing. Kahoko is happy that Hajime asked to go steady with her in front of her parents, but he's so bashful he won't call her by her first name or say he likes her. ©NIPPON TV