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

2. The costs of appeal are assessed against the Defendant-Counterclaim Plaintiff.

purport, purport, and.

1. The defendant's grounds for appeal citing the judgment of the court of first instance are not significantly different from the argument of the court of first instance, and the fact-finding and decision of the court of first instance are justified even if the evidence submitted to the court of first instance was presented to this court.

Therefore, this court's judgment is cited by the main text of Article 420 of the Civil Procedure Act, because the reasoning of the first instance judgment is the same.

(However, the part concerning Co-Defendant C of the first instance court, which became separate and conclusive, is excluded). 2. Then, the plaintiff's claim of the principal lawsuit is accepted as reasonable, and the part concerning the claim for damages among the defendant's counterclaim is dismissed as unlawful, and the remaining claims are dismissed as justifiable

The judgment of the first instance is just in conclusion, and the defendant's appeal is dismissed.