1. The plaintiffs' claim for subrogation against the defendant Spanco Construction Co., Ltd. and new East Asia Construction Co., Ltd.

1. Basic facts

A. The relationship between the parties (hereinafter “the apartment of this case”) consists of a total of 1,266 households, including Aable block (101 Dong, 102 Dong) 649 households and Bable block (103 Dong, 104 Dong, 104) 617 households.

The plaintiffs enter into a sales contract for the apartment of this case with Defendant A Co., Ltd. (hereinafter referred to as “Defendant A”) or take over the status of the seller, and are currently attached to the apartment of this case.

1. The amount of each unit of Dong and lake column for each unit of apartment as indicated by the plaintiff is the sectional owners, who own ownership of each unit of apartment, and the defendant A is the project proprietor who constructed and sold the apartment of this case to the buyers, and the defendant Posco Construction Co., Ltd. (hereinafter "the defendant Posco Construction") and the defendant Posco Construction Co., Ltd. (hereinafter "the defendant Posco Construction") and the defendant Hasco Construction Co., Ltd. (hereinafter "the defendant Posco Construction" collectively referred to as "the defendant Posco Construction") entered into a contract with the defendant A on September 8, 2006, and constructed the apartment of

(hereinafter referred to as “instant contract”). B. The contract entered into between the Defendants (hereinafter referred to as “instant contract”).

Defendant A’s purchase of the instant apartment on April 14, 2006, filed an application for the project plan with respect to the instant apartment construction project, and obtained approval for the project on August 31, 2006 from the competent government office on August 31, 2006, and obtained approval for the first change of the project on March 20, 2007 after filing a report on the commencement of the project on October 23, 2006, respectively, and obtained approval for the invitation of occupants on May 15, 2007.

After that, on June 18, 2007, Defendant A concluded each of the sales contracts on the apartment of this case (hereinafter “each of the sales contracts of this case”) with the buyer including part of the plaintiffs.

The main contents of each sales contract of this case are as follows.

Article 4 (Resale of Right of Sale) (1) Resale of the right of sale.