1. All appeals filed by the Defendant (Counterclaim Plaintiff) on the principal lawsuit and counterclaim are dismissed.

2. The costs of appeal shall be principal lawsuit and counterclaim.

1. The reasoning of the judgment of the court of first instance concerning this case is as stated in the reasoning of the judgment of the court of first instance, except for adding witness C’s testimony (this case’s testimony of the party witness D and witness C’s testimony stated to the effect that there was no particular defect in the building of this case) which is insufficient evidence to acknowledge the defendant’s counterclaim claim, unless the contents, causes, etc. of defect are specifically revealed through defect appraisal, etc., the defendant’s assertion that defects, such as leakage, etc., occurred in the building of this case is difficult to accept), and therefore, this case’s testimony is cited as it is in accordance with the main sentence of

2. In conclusion, the judgment of the court of first instance is just, and the defendant's appeal on the principal lawsuit and counterclaim is without merit, and all of the appeals are dismissed. It is so decided as per Disposition.