1. The plaintiffs' claims against the defendants are all dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. The status of the parties is Plaintiff GelDC Co., Ltd. (hereinafter “NelDC”) and Plaintiff Wapp Development Co., Ltd. (hereinafter “Nelf Development”) are corporations with the purpose of engineering work business, building work business, etc.

The Defendants are co-owners of Songpa-gu Seoul Metropolitan Government J and two parcels (hereinafter “instant plot of land”) with respect to each subparagraph (Defendant A: 401, Defendant B: 402, Article 501, Defendant D:601, Defendant E:602, Defendant F:701, Defendant G:702, Defendant H:802, and Defendant I:902) of the above above ground K apartment (hereinafter “instant apartment”).

B. The conclusion of the instant construction contract, the conclusion of the subcontract and settlement agreement due to the discontinuance of construction works, and the settlement agreement 1) tin Co., Ltd. (hereinafter “tin”)

Trade name before the change: Hando Co., Ltd., and Hanju Development Co., Ltd., Ltd., Ltd., on January 30, 2013 (hereinafter referred to as "Yak General Construction").

) The main complex building (hereinafter referred to as the “instant building”) on two parcels, both J of Songpa-gu Seoul and J of Songpa-gu.

B) The construction cost of construction KRW 4,901,600,000 (including value-added tax) and the construction period from February 18, 2013 to June 20, 2014 is newly constructed (hereinafter “instant construction”).

(2) On November 1, 2013, the instant construction was delayed due to the delay in the process of design change, construction deliberation, etc. (hereinafter “instant subcontract”). On April 3, 2014, Plaintiff Whop Development completed the instant construction project by treating the remainder of the instant construction project from the two Bhop Construction, and the construction cost is KRW 3,500,000,000, value-added tax (hereinafter “instant subcontract”).