1. The instant lawsuit shall be dismissed.

2. The costs of the lawsuit shall be borne by C (D).

1. As to the plaintiff's assertion against the defendant of this case, the defendant does not legally form a management body under the Act on the Ownership and Management of Aggregate Buildings (hereinafter "the Aggregate Buildings Act"), and even if so, C, the plaintiff's representative stated in the complaint of this case, is not a legitimate representative of the plaintiff, and thus, the lawsuit of this case should be dismissed as it is filed by a person without the power of representation.

2. Whether the lawsuit of this case is lawful

A. First of all, we examine whether the plaintiff is a management body legally composed under the Aggregate Buildings Act, and the management body under the Aggregate Buildings Act is an organization formed not only through any organizational act but also an organization formed with sectional ownership as a member of all sectional owners (see, e.g., Supreme Court Decision 2003Da45496, Nov. 10, 2005). The evidence No. 1-2, No. 7-1, No. 7-2, No. 9-1, and No. 9-1, No. 12, and No. 9-12, the plaintiff is an organization established with respect to the main apartment that consists of sales facilities of the size of 13th and multi-family housing located under the Aggregate Buildings Act, and the part of the commercial building among multi-family apartment units (hereinafter "the commercial building of this case"). The plaintiff is not admitted as the management body of the management body of this case as the chairperson of the management body of this case under the Aggregate Buildings Act without any specific reason.

B. Next, we examine whether C is a legitimate representative of the Plaintiff.

1) C Extraordinary General Meeting dated November 16, 2017 (hereinafter referred to as “Special General Meeting”).