Keitaro has finally passed the entrance exams and is officially a Toudai student. However, after breaking his leg in an accident during the entrance ceremony, he reflected on and re-evaluated himself. With new goals in mind, Keitaro joins Seta on an overseas archaeology trip. During his absence, things were not going well at Hinata Lodge. Urashima Kanako, Keitaro's sister, arrives on the scene. She claims to be the new manager of Hinata Lodge and begins to oppose all the tenants. Matters become even more complicated when they receive a letter from Keitaro. The tenants and Kanako create a huge mess trying to get the letter, but Seta's car crashes in before anyone can read it...