1. As to Defendant Woo C&C Construction Co., Ltd., the Plaintiff and the Plaintiff from October 22, 2014.

1. Basic facts

A. On February 23, 2011, the Plaintiff entered into a contract for construction works (hereinafter referred to as the “instant concrete construction contract”) with Defendant Daebu Construction Co., Ltd. (formerly: Daebu Construction Co., Ltd.; hereinafter referred to as “Mobu Construction”), under which the Plaintiff would contract for concrete construction and non-form construction works (including value-added tax) among the new construction works of Jbu Construction Co., Ltd. (hereinafter referred to as “instant building”).

B. On July 8, 2011, the Plaintiff entered into an amendment agreement with Defendant Witman Construction with the content that: (a) the Plaintiff would change the interior floor end of the instant building from Titius to Eitius; and (b) would change the construction cost into KRW 56,269,620 (including value-added tax) increased to KRW 782,069,620 (including value-added tax) (hereinafter “instant amendment agreement”).

C. On February 28, 2012, the Plaintiff entered into a construction contract with E (hereinafter “E”) with the content that the Plaintiff would contract the interior floor construction of the instant building to E for construction cost of KRW 388,960,00 (including value-added tax) (hereinafter “instant floor construction contract”).

E A. During the process of the floor construction, the Plaintiff entered into a contract acquisition agreement with E and the Defendant House Co., Ltd. (hereinafter referred to as the “ home”) on May 18, 2012, under which the Defendant House comprehensively succeeds to the status of contractor under the instant floor construction contract (hereinafter referred to as the “instant contract acquisition agreement”).

On the other hand, the contract amount of the remaining construction project acquired by the defendant Lee Egypt is KRW 151,140,000.

[Ground of recognition] Facts without dispute, Gap evidence Nos. 1-2, Gap evidence Nos. 3 and 4, the purport of the whole pleadings

2. The parties' assertion and judgment

A. The plaintiff's assertion 1.