Tetsuya is laid off from his job and returns to his hometown for the first time in several years to find his brother waiting for him. When he arrives, he is greeted by his brother and niece. He is surprised to see his niece. His small, young niece has grown into a fine young woman. However, even though she has grown up, her attitude towards Tetsuya has not changed at all, and she keeps asking him to take a bath together and to sleep together, which leaves him confused.