All appeals by the plaintiffs are dismissed.

The costs of appeal are assessed against the plaintiffs.

The purport of the claim and appeal is the purport of the appeal.

1. The reasoning for this part of the reasoning is the same as that of the judgment of the court of first instance, and thus, this part of the reasoning is cited in accordance with the main sentence of Article 420 of the Civil Procedure Act.

2. The parties' assertion

A. The gist of the plaintiffs' assertion 1) Defendant C unilaterally and without consultation with the plaintiffs 392,15,636 won (=253,792,00 won-end profit 253,636 won-end profit x 836 x 1,000 x 360 m22,360 x 360 m2,360 m2.36 ; hereinafter the same shall apply)'s share in this case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's case's 36360.