1. The Plaintiff:

A. The Defendant Educational Foundation Foundation Foundation Foundation KRW 1,043,414,432 and KRW 1,000,000 among the above amounts.

1. Basic facts

A. Party 1) The Plaintiff is the main apartment unit A in Gwangjin-gu Seoul Special Metropolitan City, the main apartment unit A [4 Dong (A, B, C, and D Dong) totaling 1,310 households (i.e., apartment buildings 1,177 households officetels 133 and 20 stories among B Dong-dong 1,177 households (i.e., officetel 7 stories each floor); hereinafter referred to as “instant building”).

[2] In order to manage the building of this case, the Defendant Educational Foundation Construction University (hereinafter “Defendant Foundation”) is a project proprietor who constructed and sold the building of this case, and the Defendant Poco Construction Co., Ltd. (hereinafter “Defendant Poco Construction”) is a new construction contractor upon receiving a contract for the construction of the building of this case from the Defendant National Foundation.

(2) From January 22, 2007 to March 22, 2017, Defendant Construction Mutual Aid Association (hereinafter “Defendant Construction Mutual Aid Association”) has guaranteed the obligation to repair defects of the instant building. (2) From January 22, 2007 to March 22, 2017, 1,06, 908, 910 2D 207 to March 21, 2012, 205 to 205, 1,06, 908, 205, 207, 205, 205, 205, 205, 205, 205, 205, 205, 7, 205, 205, 7, 205, 205, 205, 7, 205, 205, 205, 27, 208, 27, 2010