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 in this case is the same as that of the judgment of the court of first instance, and thus, it is acceptable to accept it as it is in accordance with the main sentence of Article 420 of the Civil Procedure Act.

2. In conclusion, the plaintiff's claim against the defendant against the plaintiff is justified within the scope of the above recognition, and the remaining claim against the defendant 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 all appeals against the plaintiff's main claim and counterclaim are dismissed. It is so decided as per Disposition.