1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. The conclusion of the instant guarantee agreement between the defendant and the non-party company, etc. 1) The soft Development Co., Ltd. (hereinafter “non-party company”).

) The main complex building of the name “H” on the ground of the Kucheon-gu Seoul Special Metropolitan City G (hereinafter “instant building”) shall be the main complex building.

(1) In order to implement the business of building and selling the buildings in units, construction permission was granted from the Bupyeong-si Market on June 14, 201 (hereinafter “instant construction site”) (hereinafter “instant construction site”).

(2) On November 21, 2011, the Defendant concluded a housing sale guarantee contract with the content that the guaranteed amount as to the housing portion among the instant building, among the Nonparty Company and the instant building, is KRW 10.175 billion, the scheduled date for approval for use, October 31, 2012, and that the secured creditor is the prospective occupants, and that the Defendant bears the responsibility for the performance of the instant building in lots or the repayment of the down payment and the intermediate payment paid to the secured creditor if a guarantee accident occurs to the Nonparty Company.

3) After February 28, 2012, the Defendant concluded a housing sale guarantee contract with the same content as the sales guarantee contract as the sales guarantee contract mentioned in Paragraph (2) of the above Article, setting the guaranteed amount as KRW 1.677,755 million with respect to the officetels part of the instant building and the non-party company and the instant building.

The terms and conditions of the instant guarantee agreement are as follows. The definitions of the terms and conditions of the instant guarantee agreement relating to the instant case are as follows:

I speak that it is difficult to expect implementation. A.

Where any cause, such as default, bankruptcy, and waiver of business, occurs to the primary debtor;

(c) where the percentage of practice verified by the supervisor exceeds 75 per cent, the practice process is without good cause;