1. The Defendant: (a) on January 7, 2016, the Plaintiff’s main system corporation KRW 145,945,140 and KRW 101,395,140.

1. Basic facts

A. Status 1 of the parties is the Plaintiff’s domain system Co., Ltd. (hereinafter “Plaintiff’s domain system”).

) The company is engaged in apartment and commercial building construction execution business, housing construction and housing supply business, and specialized management business, etc., and the Plaintiff Bads M Co., Ltd. (hereinafter “Plaintiff Bads M”).

A) A company is engaged in redevelopment and reconstruction project management business, partnership establishment agent business, business feasibility review, and project implementation authorization agent business. The Plaintiffs are the Plaintiffs under the Act on the Maintenance and Improvement of Urban Areas and Dwelling Conditions for Residents (hereinafter “Urban Improvement Act”).

(2) The Defendant was approved by the head of Seocho-gu on September 28, 2009, as a promotion committee for the establishment of a housing reconstruction and improvement project association for the purpose of establishing an association for the implementation of housing reconstruction and improvement projects of a housing reconstruction and improvement project of a housing reconstruction and improvement project of the housing located in Seocho-gu Seoul Metropolitan Government, Seocho-gu.

B. On February 17, 2010, the Defendant announced a public announcement on the selection of a rearrangement project management entity that will take charge of the management services for the reconstruction of a housing unit for a rearrangement project, and on April 27, 2010, a residents' general meeting was held to select a rearrangement project management entity and to delegate the designation of a rearrangement project management entity and the conclusion of a contract. The Plaintiffs were selected as a rearrangement project management entity. Article 3 (Execution of and Support for the following affairs related to the reconstruction of a housing unit for a interests-based apartment within the scope of service affairs, and the preparation and processing of documents related to the service affairs shall be governed by the Urban Improvement Act and relevant regulations:

1. Vicarious execution concerning the consents to partnership establishment and to rearrangement projects;

2. Vicarious execution of affairs concerning the application for authorization to establish an association;

3. Review on feasibility and preparation of an implementation plan for a rearrangement project;

4. Support for the business to select the designer and work executor;

5. Vicarious execution of affairs concerning application for authorization for project implementation;

6. Vicarious execution of affairs concerning the formulation of management and disposal plans; and