Noriko usually spends a lot of time alone at home, but today is a special day. She suddenly receives news from her dad that he has to leave town for a business trip, leaving her completely alone at home. As a solution, her aunt Kana Tojo, who lives nearby, will come over to take care of her. Since Noriko adores her aunt, she begins waiting excitedly the moment she hears the news. However, instead of behaving properly, Noriko starts playing mischievous pranks, eagerly anticipating her aunt's arrival. Her actions resemble those of a cheeky little troublemaker, capturing heartwarming family bonds and lighthearted moments filled with laughter.