1. The defendant's appeal is dismissed.

2. The costs of appeal shall be borne by the Defendant.

The Defendant’s purport of the claim is Seoul.

1. The reasoning for the judgment on this part of the facts is that the court's reasoning for the judgment on this issue is the same as the previous part of the judgment on the ground of the judgment on the first instance (the part on the grounds of the judgment on the first instance (the "1. Basic Facts"), and such part is cited as it is, under the main sentence of Article 420 of the Civil Procedure Act (excluding the part on the joint plaintiff A, C, and the first instance court's joint defendant Housing Urban Guarantee Corporation). According to the above findings of the judgment on the ground for the claim on the grounds of the judgment, the defendant's registration on ownership transfer (the "registration on the transfer of ownership transfer of this case") completed on August 16, 2013 with the Seoul Western District Court's 89 square meters, which was completed on August 16, 2013 with the Seoul Mapo-gu District Court's 36401 square meters, and the defendant has a duty to implement the registration procedure on the cancellation of ownership of this case, which was null and void, and thus, the plaintiff's appeal against the defendant.

The judgment of the court of first instance is consistent with this conclusion, and the defendant's appeal is dismissed as it is without merit.