1. The plaintiff's appeal and the defendant B's appeal are dismissed, respectively.

2. Of the appeal costs, the part arising from the Plaintiff’s appeal.

1. The court's explanation of this case is the same as the reasoning of the judgment of the court of first instance, and thus, citing this as it is in accordance with the main sentence of Article 420 of the Civil Procedure Act.

2. In conclusion, the plaintiff's claim against the defendant B shall be accepted on the ground of its reason, and the claim against the defendant D shall be dismissed on the ground of its ground. Since the judgment of the court of first instance is justified on the ground of its conclusion, the plaintiff's appeal and the appeal against the defendant B shall be dismissed on the ground of its conclusion, and