1. The Plaintiff:

(a) Defendant B shall be annually from March 16, 2018 to February 5, 2020, as well as KRW 459,466,380.

1. Basic facts

A. Status 1 of the parties concerned) The plaintiff is the A apartment in Seoul Special Metropolitan City, Nowon-gu (hereinafter referred to as "the apartment of this case").

(2) The Defendant Corporation is a business entity that newly built and sold the instant apartment, and the Intervenor joining the Defendant Corporation (hereinafter “Defendant Intervenor joining the Defendant”) is a corporation that has completed construction works of the instant apartment upon receiving a contract from the Defendant Corporation, and the Defendant Cooperative guaranteed the obligation to repair the defects of the instant apartment for H for the purpose of managing 457 households (general 228 households).

B. A pre-use inspection and the occupancy apartment of this case had undergone the pre-use inspection on March 17, 2016, and around that time, the apartment was delivered to the occupants.

C. 1) On October 31, 2013, H entered into a contract for the repair of defects (hereinafter “each guarantee contract of this case”) with the Defendant Association on the instant apartment as indicated in the following table:

2) Each of the instant units of construction work (united number 1: 2. 17 to 2. 3: 45,475; 870 2. 68,803; 173 K 3. 6. 17 to 36. 16. 16. 16. 2, 205 (united number 1. 2) or 11,646, 206. 16. 16. 3, 206 to 36. 16. 3, 205 (united number 1. 2. 4); 2. 16, 206, 36. 17, 206, 36. 16. 16. 4)