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

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

The reasoning of the court's explanation of this case is as follows: (a) except for the case where all "witnesss" of the first instance court Nos. 6, 10, and 7 are used as "witnesss of the first instance court", the reasoning of the first instance judgment is the same as the part of the reasoning of the first instance judgment; and (b) thus, they are cited pursuant to the main sentence of Article 420 of the Civil Procedure

In conclusion, the plaintiff's claim of this case is justified, and the defendant's counterclaim of this case is dismissed as it is without merit. The judgment of the court of first instance is just in conclusion, and the defendant's appeal against the main claim of this case and counterclaim of this case is dismissed as it is without merit. It is so decided as per Disposition.