1. The Plaintiff:

A. As to Defendant C Co., Ltd, the amount of KRW 2,853,144,884 and KRW 101,00,000 among them, it shall be from July 4, 2013.

1. Basic facts

A. The status of the parties is the autonomous management body organized by the occupants to manage the D apartment 7 units, 488 units, and ancillary facilities (hereinafter “the apartment of this case”). Defendant C is the executor who constructed and sold the apartment of this case, and Defendant B is the company that executed the new construction work of the apartment of this case by contract with Defendant C.

B. From April 30, 2010 to April 29, 2011, the guarantee period of each of the instant guarantee contracts was 1 to April 30, 201, to April 29, 2011, to April 30, 201, to April 49, 986, 716 to April 29, 2012, to April 30, 201, to April 749, 986, 716 to April 30, 2010 to April 749, 980, 074 to April 30 to April 29, 2013 to the Defendant’s warranty bond issued each of the instant warranty contracts (hereinafter collectively referred to as “Defendant’s warranty bond issued each of the instant warranty contracts”) to April 30 to April 374, 2015 to April 30, 201 to April 39, 2039, 2039.

Since then, the guarantee creditor of each guarantee contract of this case was changed to the plaintiff in the mining development market.

C. The apartment of this case was inspected on April 30, 2010. The apartment of this case was built on April 30, 2010. Defendant B failed to construct the part to be built according to the design drawings, or modified it differently from the defective construction or design drawings. The total period of 1 year 2 to 3 years 4 years 4 years 2, 374, 95264, 847, 490, 490, 105, 986, 925, 925, 918 63, 902, 5713, 73, 097, 709, 306, 307, 305, 196, 205, 205, 2063, 25 years 2, 1967, 368, 205, 2064, 279, 2784, 275