1. The plaintiff's appeal and the plaintiff's claim expanded in the trial are dismissed, respectively.

2. After an appeal is filed.

1. The reasons for the court's explanation concerning this case are as follows: "The plaintiff alleged that he did not make a claim" under Section 4, Section 12 of the judgment of the court of first instance, and "No. the plaintiff argued that the construction cost was determined on the basis of the total of 96 square meters of the first floor and the second floor and 48 stories. However, according to the contents of the above design drawing and the construction report completion certificate, and No. 4 (General Building Register), the actual building area of the housing of this case is 36.1 square meters of the first floor and 36.1 square meters of the second floor, 190.34 square meters of the second floor, and 226.4 square meters of the total of 26.4 square meters (68 square meters) as alleged by the plaintiff at the time of the contract of this case, it is difficult to view that the construction cost was calculated in accordance with the method as alleged by the plaintiff at the time of the contract of this case."

2. Thus, the plaintiff's claim of this case is dismissed as it is without merit, and the judgment of the court of first instance is just in conclusion. Thus, the plaintiff's appeal and the claim extended in the court of first instance are dismissed as it is without merit. It is so decided as per Disposition.