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

The court's explanation on this case is the same as the part of the reasoning of the judgment of the court of first instance, and thus, citing it as it is by the main text of Article 420 of the Civil Procedure Act.

Therefore, the judgment of the court of first instance is just, and all appeals against the plaintiff's main lawsuit and the defendant's main lawsuit and counterclaim are dismissed as it is without merit. It is so decided as per Disposition.