Shunichi, who came to Tokyo for his studies, was taken in by his aunt Yuriko. Yuriko, who had doted on Shunichi since he was a child, couldn't contain her excitement at seeing him grow into a fine young man and would constantly provoke his sexual desires... For Shunichi, who wasn't used to women, Yuriko's seductive allure was pure torture. His member was already at its limit, but he somehow managed not to cross the final line. On the other hand, frustrated by Shunichi's refusal to give in, Yuriko summoned his senior, Muneyuki...
