Kenji, a nephew, is staying with his aunt while his uncle is away on a long business trip. He feels bad for his uncle, but he wants to stay alone with his aunt forever. Kenji's daily routine, which has made his yearning a complicated one, is to smell his aunt's underwear. Today, as always, he was able to hide from the public, but his aunt saw the crucial moment. Goodbye, my first love. However, as Kenji was about to kneel down and beg, his aunt gently kissed him...