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

2. The costs of appeal shall be the principal lawsuit.

1. The reasoning of the court's explanation of this case is the same as the reasoning of the judgment of the court of first instance, and thus, it is citing this as it is 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 shall be accepted within the scope of the above recognition, and the remainder of the principal lawsuit and the defendant's counterclaim shall be dismissed as it is without merit. Since the judgment of the court of first instance is just in conclusion, the defendant's appeal against the principal lawsuit and counterclaim of this case shall be dismissed as it is without merit, and it is so decided as per Disposition.