1. All appeals filed by the plaintiffs are dismissed.

2. The costs of appeal are assessed against the Plaintiffs.

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

1. The court's explanation concerning this case is the same as the entry of the first instance court's decision, except in the case where the part of the first instance court's decision is rewritten or added as provided in the following 2. Thus, this is also cited in accordance with the main sentence of Article 420 of the Civil Procedure Act.

2. The third fifteenth sentence of the judgment of the court of first instance in which the judgment of the court of first instance is re-written or added “2.6 billion won is determined after the conclusion of the instant sales contract,” and the Defendant and E re-written the sales amount at KRW 2.6 billion.”

In the fourth 16th 16th 1 of the judgment of the court of first instance, “The defendant stated that the above statement was not reliable in light of the fact that the defendant did not pay KRW 150 million to G. However, it cannot be deemed that the credibility of the above statement concerning the purchase price has changed depending on whether the defendant paid KRW 150 million to G as the introduction fee, and as seen below, it cannot be deemed that the defendant did not pay the above introduction fee to G. In addition, if the circumstance was added to the statement of settlement prepared by the defendant on the premise that the defendant paid KRW 150 million to G at the introduction fee, it cannot be deemed that the defendant did not pay the above introduction fee to G.”

3. In conclusion, the plaintiffs' claims are dismissed due to the lack of reason, and the judgment of the court of first instance is just, and the plaintiffs' appeal is dismissed. It is so decided as per Disposition.