1. The plaintiff (Counterclaim defendant)'s appeal against the principal lawsuit is dismissed.

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

The reasoning of the court's explanation on this case is as follows. The witness of the first instance court's first instance court's first instance court's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's witness's second instance's second instance's second instance's second court's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance's second instance'

Therefore, the plaintiff's claim against the defendants within the scope of the trial of the party shall be dismissed in its entirety as it is without merit. Since the part concerning the main lawsuit in the judgment of the court of first instance is justified in its conclusion, the plaintiff's appeal against the main lawsuit shall be dismissed as it is without merit, and it is so decided as per Disposition.