Keitarō has finally passed the entrance exams, and is officially a Tōdai student. But after breaking his leg in an accident in the entrance ceremony, he thought and re-evaluated himself. Having new goals, Keitarō follows Seta on an overseas archeology trip. During his absence, however, all was not well in Hinata Lodge. Kanako Urashima, Keitarō’s sister, arrives on the scene. She claims to be the new manager of Hinata Lodge starts to go against all the tenants. Things become even more complicated when they receive a letter from Keitarō. The tenants and Kanako made a big mess trying to get the letter, but Seta’s car crashes in before anyone could read the letter…