1. The Defendants shall jointly and severally pay to the Plaintiff KRW 547,569 and the interest rate thereon from December 30, 2015 to the date of complete payment.

1. The following facts may be found either in dispute between the parties or in combination with the purport of the whole pleadings in each entry in Gap evidence Nos. 1 to 4, 5-1, 2, 7, and 8, and Eul evidence No. 1:

On May 21, 2015, the Plaintiff and the Defendants entered into a real estate sales contract 1) between the Plaintiff and the Defendants on May 21, 2015, and between the Plaintiff and the Defendants, Nos. 132 and 2401 (hereinafter “instant apartment”).

2) The sales contract to sell the sales amount of KRW 5,11,000,000 (hereinafter “instant sales contract”).

In concluding the contract deposit, KRW 50,000,00 for the first intermediate payment of KRW 50,000 on the date of the contract, and KRW 91,00,000 for the second intermediate payment of KRW 91,00,000 on May 26, 2015, respectively, was paid on July 10, 2015, and KRW 320,000 for the remainder of KRW 320,000 on August 10, 2015, and the Plaintiff and the Defendants entered into a special agreement as follows at the time of entering into the instant contract:

1. Trading shall be conducted after checking the basic and present state of facilities at the site;

2. The balance of various public charges shall be settled by the seller (based on the remaining date of payment); and

3. Ascertainment that the maximum debt amount is KRW 00,000,000 on the registry and shall be cancelled on May 22, 2015.

4. The seller shall take prior measures, such as the payment of the resettlement deposit, to confirm that the deposit is KRW KRW 300,000,000, and to order without delay on the balance date.

5. Other matters shall be governed by the real estate sale practice.

6.The portion of the property tax on the gold year of the building shall be borne by the seller.

7. The transfer registration under the above payment terms shall enter into force on May 26, 2015, and accounts payable after the registration date shall be kept by issuing a cash custody certificate.

8. Notwithstanding the change of ownership due to the transfer of the above registration, the current tenant's surrender measures on the balance date shall be implemented as the seller's responsibility;

9. If the current tenant is to be a director before the remainder date, the date of the director shall be the remainder date.

B. Some of the purchase price of the Defendants is paid.