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.

1. The reasoning of the judgment of the court of first instance cited by the judgment of the court of first instance is identical to the reasoning of the judgment of the court of first instance, except for the cases where the judgment is accepted as follows. Thus, it is acceptable to accept it according to the main sentence

2. The part of the judgment of the first instance, which was mard with "B No. 1, 2, and 3" multiplied by eight pages of the judgment of the first instance, shall be "B No. 1, 13, and 14 (including paper numbers)".

3. In conclusion, the plaintiffs' claims against the defendant should be accepted within the scope of the above recognition, and the remaining claims against the defendant and the counterclaim against the plaintiffs shall be dismissed as they are without merit. The judgment of the court of first instance is justifiable in conclusion, and the defendant's appeal against the main claim and counterclaim of this case is dismissed as it is without merit. It is so decided as per Disposition.