The Plaintiff

A. As to the Defendant B Co., Ltd.’s KRW 223,253,980 and its KRW 116,070,688, Defendant B, from December 22, 2017.

1. Basic facts

A. 1) The Plaintiff is a party in Jeju-si apartment complex A (hereinafter “instant apartment”) 40 households (multi-family housing 34 households, neighboring residential facilities 6 households E, F, G, Hho, Hho, I, and J 6 households).

It is an autonomous management body that consists of occupants.

2) Defendant B Co., Ltd. (hereinafter “Defendant B”) is a company that sold the instant apartment, and D Co., Ltd. (hereinafter “D”) is a new construction contractor by receiving a contract for the instant apartment construction project (hereinafter “instant construction”). Defendant C Mutual Aid Association (hereinafter “Defendant Mutual Aid Association”) guarantees D’s duty to repair defects regarding the instant apartment.

B. On March 20, 2012, D entered into a warranty contract for defective repair and guarantee of the part of the instant construction project (hereinafter “instant warranty contract”) with the Defendant Union, as indicated in Table 1, and designated the obligee as the Jeju Market.

Since then, as the representative meeting of the apartment occupants of this case was organized, the status of the creditor of the warranty of the defect repair guarantee contract of this case was changed to the plaintiff.

(3) On June 28, 2013 through June 27, 2013, K 1 K 1 K 203.6.27, 2023. L 2 L 2, 16,650,444 from June 28, 2013 to June 27, 2018.6.43 M 16,650,4443 from June 28, 2013 to June 27, 2017 to June 27, 2017, or 16,650,444 N 16,44 N 16, 206, 202, 200, 205, 205, 206, 16, 206, 206, 207, 2016, 206, 27, 2016, 206, 2016.