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

2. The costs of appeal shall be the principal office and the principal office.

1. 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, and thus, it is cited pursuant to the main sentence of Article 420 of the Civil Procedure Act.

(1) The plaintiff's counterclaim in the court of the first instance is the same as that in the court of the first instance. In addition to the evidence duly admitted and examined by the defendant in the court of the first instance, the conclusion of the court of the first instance as to the main lawsuit and counterclaim is justifiable even if the case is examined by adding up the evidence submitted by the defendant in the court of the first instance). 2. As such, the plaintiff's counterclaim is reasonable, and the defendant's counterclaim is justified. Thus, the judgment of the court of the first instance is just and it is so decided as per Disposition by the assent that each appeal against the defendant's main lawsuit and counterclaim is dismissed.