1. The Plaintiff:

A. Defendant 2 Construction Co., Ltd., and credits construction Co., Ltd., jointly and severally KRW 315,460,911.

1. Circumstances leading to the dispute of this case;

A. The Plaintiff is a person who newly built and sold 518 households (281 rental households, 237 households) located in Gangseo-gu Seoul Metropolitan Government, Gangseo-gu, 751 apartment complexes (hereinafter “instant apartment complex”) with 8-dong 518 households (281 rental households, 237 households).

B. 1) The Plaintiff constitutes a joint supply and demand company with the method of joint performance (hereinafter “Defendant 2 Construction”)

(3) Defendant Completion Construction Co., Ltd. (hereinafter “Defendant Completion Construction”)

On October 20, 2004, the construction of the instant apartment (excluding landscaping, electricity, and communications; hereinafter referred to as “construction work”) is called the instant construction work.

(2) The construction contract of this case (hereinafter referred to as “instant construction contract”).

(2) On February 15, 2006, the Plaintiff contracted the landscaping project (hereinafter “instant landscaping project”) among the new apartment construction project of the instant apartment complex to the Defendant Dok Gyeong comprehensive Landscaping Co., Ltd. (hereinafter “Defendant Dok Landscaping”).

(C) On September 21, 2007, the Plaintiff entered into a contract for the repair of defects on September 28, 2007 with respect to the instant construction contract (hereinafter “instant construction contract”). On September 28, 2007, the Defendant Construction Mutual Aid Association entered into a contract for the repair of defects (hereinafter “contract for the repair of defects”) with the following contents: (a) the instant construction works; and (b) the Defendant Construction Mutual Aid Association entered into a contract for the repair of defects (hereinafter “contract for the construction of this case”).

The warranty liability period for the name of a construction type shall be two years from September 20, 207 to September 19, 2008, 252,687,003 Civil Works from September 20, 207 to September 19, 2008, from September 20, 2007 to September 32, 335,149 Mechanical Works from September 20, 2007 to September 19, 2007, from September 20 to September 19, 2009;