1. The Defendant: (a) KRW 120,338,962 to the Plaintiff; and (b) KRW 5% per annum from May 12, 2015 to October 21, 2016 to the Plaintiff.

1. Facts of recognition;

A. On May 28, 2010, the Plaintiff, a company aimed at building construction business, etc., constituted a joint supply and demand company (51% of the Plaintiff’s share) with Nonparty Sejong Construction Co., Ltd. (hereinafter “instant construction contract”) and entered into a contract for each of the instant construction works (hereinafter “instant construction contract”) with the Defendant on the contract amount of the construction works executed at the 381-2 unit in Seo-gu, Seowon-dong, Seo-gu, Incheon (hereinafter “instant construction works”).

Since then, according to the agreement between the plaintiff, the defendant, and the Sejong Construction Co., Ltd., the contract amount and the completion date of the contract were changed on the following nine occasions on the grounds of design change, the temperature of the winterer, etc.

In accordance with the table, each contract of change less than the number of changes is referred to as the "the primary change contract", etc.

1. 14,836,645,00 on May 17, 2013, 201; 26. 15,122,690,00 on December 22, 201; 3. 6. 8. 6. 16. 20 on April 26, 201; 3. 8. 16. 20 on April 26, 201; 4. 20 on May 16, 200 on May 26, 201; 4. 8. 16. 3. 20 on April 26, 201 on May 16, 200 on May 22, 2014; 4. 6. 3. 20 on June 16, 2014 on May 16, 2014;

B. Pursuant to the modified construction contract as stated in the foregoing table, the instant construction project completed on November 12, 2014, when approximately 24 months elapsed from November 18, 2012, which was the date of completion of the initial construction project, and the Defendant completed the completion inspection on November 19, 2014, and the final determined contract amount 16,693,00 of the final determined through the completion settlement on January 5, 2015, after conducting the completion inspection on November 19, 2014.