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

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

1. The court's explanation concerning this case is identical to the reasoning of the judgment of the court of first instance, and thus, citing it as it is in accordance with the main sentence of Article 420 of the Civil Procedure Act.

(The grounds for appeal by the defendant are not significantly different from the allegations in the first instance court, and the fact-finding and decision of the first instance court are recognized as legitimate). 2. As such, the first instance court is legitimate, and the defendant's appeal is dismissed. It is so decided as per Disposition.