1. All appeals filed by the Plaintiff (Counterclaim Defendant) are dismissed.

2. The costs of appeal shall be borne by the Plaintiff (Counterclaim Defendant).

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

2. In conclusion, all of the plaintiff's claims are dismissed as they are without merit. The defendant's counterclaim is justified within the scope of the above recognition, and the remaining claims are dismissed as they are without merit. The judgment of the court of first instance is just, and the plaintiff's appeal is dismissed as it is without merit. It is so decided as per Disposition.