1. The plaintiff (Counterclaim defendant)'s appeal is dismissed.

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

purport, purport, and.

1. The judgment of the first instance court that dismissed both the plaintiff's claim of the main lawsuit and the defendant's counterclaim, and only the plaintiff appealed against the main claim, the scope of the judgment of this court is limited to the main claim.

2. The reasoning of the judgment of the court of first instance is the same as that of the judgment of the court of first instance, i.e., the part concerning the claim for a principal lawsuit among the grounds of the judgment of the court of first instance.

3. The plaintiff's claim against the principal lawsuit is dismissed as there is no reasonable ground.

The judgment of the court of first instance is justifiable in its conclusion, and it is so decided as per Disposition by the assent of all participating Justices.