1. The plaintiffs' claims against the defendants are all dismissed.

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

1. Basic facts

A. The plaintiffs are members of the E Regional Housing Association, and the defendant A is engaged in the real estate brokerage business under the trade name of "F real estate." The defendant B is the defendant's wife who assist the real estate brokerage business of the defendant A, and the defendant C is the trade name of "G Licensed Real Estate Agent" and the defendant D is the "H Licensed Real Estate Agent" and the defendant D is engaged in the real estate brokerage business. (b) The defendant I Co., Ltd. 1 (hereinafter "I") in the process of the instant business from the late half of 201 to the Yeongdeungpo-gu Seoul High-gu JJ 8,200 (hereinafter "the instant site") planned apartment construction business (hereinafter "the instant project site") to build the apartment building project for building the project site of this case and planned to establish the local housing association for the purpose of the project site of this case and planned to establish the local housing association for the purpose of seeking reimbursement from the local housing association for the purpose of the project site of this case, and prepared to establish the local housing association for the purpose of the project of this case.

2) K was scheduled to establish the E Regional Housing Association on April 30, 2003 (hereinafter “Regional Housing Association”) around August 2003.

A) Under the name of I, a contract was entered into on behalf of the contractor company and other related companies, namely, recommendation of the contractor company and other related companies, support for the purchase and sale of land, business related to union members, authorization and permission, business related to union operation, contract support, construction completion and settlement work, etc., which are accompanied by the execution of the instant project in the instant project site. A contract was entered into with I on June 21, 2003 and the Central Construction Co., Ltd. (hereinafter “Central Construction”).

Between the departments, the E Regional Housing Association and the contractor, the contractor, the contractor, and the contractor for the central construction, entered into a contract for private housing construction work.

C. The defendants' membership mediation of the regional housing association of this case and plaintiffs of this case.