1. The Defendant (Counterclaim Plaintiff) paid KRW 22,50,000 to the Plaintiff (Counterclaim Defendant) and the Plaintiff’s counterclaim from February 1, 2017 to May 24, 2017.

A principal lawsuit and a counterclaim shall be deemed simultaneously.

1. Basic facts

A. The Defendant requested the Plaintiff, who runs real estate brokerage business, etc., to mediate the instant real estate and its ground buildings (hereinafter collectively referred to as “instant real estate,” and when referring only to the building among them, hereinafter referred to as “instant building”).

On August 18, 2016, the Defendant concluded a sales contract with D and the instant real estate purchase price of KRW 8,500,000 on August 18, 2016.

B. On the day of the above sales contract, the Plaintiff and the Defendant’s agent E agreed to the brokerage commission of KRW 42,50,000 (including value-added tax), which is 0.5% of the sales price, and signed or sealed on the written agreement in which it is written, and the written agreement states as follows: “The payment date: the payment date: the payment period from the deposit for the first floor store (one million won, the payment date August 18, 2016).”

On August 22, 2016, the Defendant paid KRW 20,000,00 as part of the brokerage commission to the Plaintiff.

C. Of the first floor and the second floor of the instant building, 21 square meters and 35 square meters of the second floor were built in a dunes structure and remains in a dunes.

(hereinafter hereinafter “instant public room.” The Defendant, through the Plaintiff’s brokerage, separately leased the instant public room to the first floor and the second floor. As to the first floor on December 9, 2016, the Defendant concluded a lease contract with KRW 50,000,000 (in the case of a contract, KRW 5,000,000,000, the remainder amount of KRW 45,000,000) and KRW 3,80,000 each month (payment from January 1, 2017), and the remainder of KRW 20,000,000 for the second floor on December 31, 2016 (contract deposit amount of KRW 20,000,000,000,000 for the remainder of KRW 10,000,000 for the remainder of KRW 3,00,00 for the remainder of KRW 10,000,00 for the remainder of KRW 30,010.

[Reasons for Recognition] Facts without dispute, Gap evidence 1, 2, Eul evidence 1, 2, 6, 8 (including branch numbers), and part of Eul witness E.