The defendant's appeal is dismissed.

1. Summary of grounds for appeal;

A. misunderstanding of facts) The Defendant, while mediating the sale and purchase of the Fel (hereinafter “instant building”) with the owner G, agreed to purchase the instant building at KRW 12 billion, 30 million and KRW 70 million from monthly sales and KRW 2.8 billion from the appraisal price, the Defendant’s succession of KRW 2.4 billion and KRW 800 million from the above building without any money. However, in light of the above G and K’s end, the Defendant did not intend to purchase the instant building at KRW 30 billion from the sale and purchase price to KRW 2.4 billion from the Defendant’s new sale and purchase price to KRW 12 billion from the new sale and purchase price to KRW 30 billion from the Defendant’s new sale and purchase price to the maximum extent possible, and the Defendant and G were not entitled to KRW 2.7 billion from the new sale and purchase price to KRW 2.3 billion from the new sale and purchase price to KRW 13 billion from the Defendant’s new sale and purchase price to the extent possible.