1. All of the appeals filed by the Plaintiff (Counterclaim Defendant) regarding the principal lawsuit and the principal lawsuit and the counterclaim by the Defendant (Counterclaim Plaintiff).

1. The reasoning of the judgment of the court of first instance, which cited the case, is the same as that of the judgment of the court of first instance, and thus, citing it as is by the main sentence of Article 420 of the Civil Procedure Act

2. In conclusion, the plaintiff's claim of the principal lawsuit shall be accepted within the scope of the above recognition, and the remainder of the principal lawsuit shall be dismissed as it is without merit, and the defendant's counterclaim shall be dismissed as it is without merit. The judgment of the court of first instance is just in conclusion. Thus, the appeal of the plaintiff's principal lawsuit and the appeal of the defendant's principal lawsuit and the counterclaim shall be dismissed in its entirety as it is without merit. It is so decided as per Disposition.