1. The defendant (Counterclaim plaintiff)'s appeal is dismissed.

2. The costs of appeal are assessed against the Defendant-Counterclaim Plaintiff.

purport, purport, and.

1. The reasoning of the court's explanation of this case is the same as that of the part concerning the reasoning of the judgment of the court of first instance, and thus, this is acceptable in accordance with the main sentence of Article 420 of the Civil Procedure Act.

2. In conclusion, the plaintiff's claim of the principal lawsuit is justified within the above scope of recognition, and the remainder of the principal lawsuit is dismissed as it is without merit, and the defendant's counterclaim is dismissed as it is without merit. The judgment of the court of first instance is just in conclusion, and the defendant's appeal is dismissed as it is without merit. It is so decided as per Disposition.