A. On August 14, 2012, the Plaintiff’s assertion entered into a contract with the Defendant for the repair of defects in the defect warranty period of 1 to 3 years, which exist in B apartment (hereinafter “instant apartment”), and the Plaintiff completed the performance of the said contract by completing the repair of defects in the instant apartment C and D among the construction details thereafter, and the Defendant is obligated to pay the remainder of the construction price under the said contract to the Plaintiff at KRW 2.3 million.

B. The Plaintiff concluded a construction contract with the Defendant on August 14, 2012 with regard to the repair of exclusive household units of the instant apartment, rupture repair works of underground parking lots, rooftop waterproof construction works, etc., with the construction cost of KRW 946 million from August 14, 2012 to November 30, 2012, with the construction period of KRW 2 to 3 years after the completion of the warranty period, and 1/100 of the liquidated damages rate of KRW 1/100 (hereinafter “construction contract with August 14, 2012”). E Union did not accept the allegation that the warranty period of the instant construction contract was issued to the Defendant on November 30 and November 30, 2015 as to the above construction, and the Plaintiff did not accept the allegation that each of the above construction contracts with the Defendant’s respective parties included the warranty bond in KRW 70,000,000 in the construction contract with respect to the defect repair of the instant apartment, and the Plaintiff did not accept the purport of KRW 10 or 30.