1. The plaintiff's claims against the defendants are all dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

1. Judgment on the ground of the Plaintiff’s claim

A. On March 23, 2018, the Defendants agreed to pay the amount of KRW 39,105,000 to the Plaintiff at the time of the balance, and the Plaintiff is entitled to jointly and severally pay the amount of KRW 39,105,00 and damages for delay.

B. We cannot accept the Plaintiff’s assertion that there is no evidence to prove that the agreement was concluded as above.

2. When comprehensively considering the purport of the entire pleadings in the public opinion Nos. 1 through 5, the sales contract of the building of this case prepared by the Defendants for purchasing KRW 3,950,000 from D as the Plaintiff’s intermediary on May 25, 2016 is indicated as KRW 39,105,00,000 in the printed letter, however, the amount of brokerage commission for the sale of the building of this case was verbally agreed at KRW 15,00,000,000, and KRW 2,000,000,000,000,000,000 won, which was 2,000,000,000,000 won, was 2,000,000,000 won, and KRW 2,00,000,000,000,000,000,000 won.