A. Defendant B Housing Association (hereinafter “Defendant Association”) is a regional housing association that obtained authorization for establishment around January 8, 2009 for the purpose of the housing development project that constructs an apartment building with the Seoul Jung-gu E unit as a project implementation district (hereinafter “instant project”). Defendant C Co., Ltd. (hereinafter “Defendant Company”) is a company that was selected as an agent for the instant project, and Defendant D is a person who takes charge of the practice related to the supply of apartment with the delegation of the Defendant Company.

On the other hand, Credit Construction Co., Ltd. (hereinafter “Credit Construction”) is a construction company selected as a contractor of the instant project.

B. On September 9, 2011, the Plaintiff prepared (tentatively named)G Housing Association accession agreement and (tentatively named)G Housing Association accession agreement and association agent application form in accordance with the guidance of the representative director F of the Defendant Company and Defendant D (hereinafter “instant contract”). The instant contract is signed and sealed by the Defendant Company as the executor, the Defendant Company as the executing agent, and the completion construction as the contractor.

The main contents of the instant contract are as follows.

[Indication of Subject Matters] An object: (tentative name), G Housing Association, Apartment Apartment (hereinafter “the apartment of this case”) location: (tentative name): A member of the (tentatively named) G Housing Association (hereinafter “A”): A member of the (tentative) G Housing Association: A member of the (tentative) G Housing Association: (hereinafter “B”): A (hereinafter “B”): A (hereinafter “C”) project: A (hereinafter “C”) project: A project bank: (hereinafter “C”) project: A project bank (hereinafter “C”) project: (general provisions) project: B is required to implement the project in the undetermined state of project approval as a housing member’s qualification prescribed in Article 32 of the Housing Act, Article 37 of the Enforcement Decree, and Article 17 of the Enforcement Decree of the same Act, and Article 17 of the Enforcement Rule of the same Act, which shall be delegated to the housing association, so that B shall implement the project on behalf of the project, and pay business promotion expenses to A as remuneration, and P shall be paid according to the contract and project schedule.