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

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

1. The reasons for the court's explanation concerning this case are as follows: witness D and E in Section 14 of the first instance court's decision "D and E" shall be read as witness D and E in Section 14 of the fourth instance court's decision, and the 7th instance court's "D" shall not be read as "D and E", and the 1, 2, and 3 shall not be added to the end of the first instance court's decision, and the reasons for the first instance court's decision shall be as stated in the main sentence of Article 420 of the Civil Procedure Act.

2. According to the conclusion, the plaintiff's main claim is dismissed as it is without merit, and the defendant's counterclaim is justified. The judgment of the court of first instance is just as it is concluded, and the plaintiff's appeal is dismissed as it is without merit. It is so decided as per Disposition.