A. Plaintiff A Co., Ltd. (hereinafter “Plaintiff”) is a company engaged in real estate development business, etc., and Plaintiff B is the representative director of the above company, and Plaintiff C is the largest of Plaintiff B.

B. The Defendant: (a) invested a total of KRW 697,700,000 as stated in the Housing Site Development Project (hereinafter “instant project”); and (b) from March 28, 2012 to June 24, 2013, the Plaintiff invested a total of KRW 697,700,000,000, as stated in the details of the Investment Money and Notarial Deed; and (c) the Plaintiffs issued a promissory note amounting to KRW 913,00,000 in total by adding the interest, etc. to the principal amount received to the Defendant until the due date for payment; and (d) each of the said promissory notes stating that “When delay in the payment of the said note to the bearer of the said bill, there is no objection to the payment of the said bill, even if any,” and written and written

The specific details are as follows:

(1) The Plaintiff C and the Plaintiff Company’s Schedule 180,000 won on March 28, 2012, as of the date of payment of investment funds and the Notarial Deed No. 130,000 won on March 3, 2012, the aggregate of KRW 3.4 billion on May 17, 2012, KRW 3.6 billion on May 17, 2012, KRW 3.4 billion on May 3, 2012, KRW 2.3 billion on May 3, 2012, KRW 3.4 billion on May 17, 2012, KRW 2.3 billion on May 17, 2012, KRW 3.6 billion on August 13, 2012, KRW 2.3 billion on August 16, 2012, Plaintiff 1.6 billion on August 2, 2013 to 2.3 billion on August 2, 2012.

C. The instant project was completed on April 2015, and the Plaintiff Company, the Plaintiff B, and the Defendant concluded an agreement on June 2, 2015 with respect to the settlement of the instant investment amount (hereinafter “instant agreement”).