1. All appeals filed by the plaintiff and defendant C are dismissed.

2. The appeal cost arises between the Plaintiff and the Defendant B.

1. The reasoning of the court's explanation concerning this case is as stated in the reasoning of the judgment of the court of first instance, and it is difficult to see otherwise even if the evidence additionally submitted by this court is added, it is difficult to see it as it is by the main sentence of Article 420 of the Civil Procedure

2. In conclusion, the plaintiff's claim against the defendant B is justified within the scope of the above recognition, and the remaining claim against the defendant B is dismissed as it is without merit. The plaintiff's claim against the defendant C is justified, and it is accepted as it is reasonable.

The judgment of the court of first instance with the same conclusion is justifiable, and all appeals by the plaintiff and defendant C are dismissed. It is so decided as per Disposition by the assent of all participating Justices.