1. Defendant (Counterclaim Plaintiff) C: (a) KRW 16,380,000 to the Plaintiff (Counterclaim Defendant) and its related amount from October 22, 2013 to April 30, 2015.

1. Facts of recognition;

A. The Seoul Gwangjin-gu Seoul Special Metropolitan City D ground buildings (hereinafter “instant building”) are owned by E, and F ground buildings (hereinafter “instant building”) are owned by Defendant B.

B. Defendant C, with the husband of Defendant B, delegated the authority pertaining to the instant building A Dong (hereinafter “G”) and the instant building B B (hereinafter “H”) to extend and rebuild the construction of the instant building (hereinafter “instant building”) and entered into a contract on the roof construction of the instant building A Dong and B Dong building and the instant building B’s floor repair work with the Plaintiff.

(hereinafter “instant construction contract”). C.

On September 22, 2011, the Plaintiff’s representative director, upon Defendant C’s request, agreed to set the limit of the construction cost of this case as KRW 60 million and started the instant construction work. On September 29, 201, the Plaintiff issued to Defendant C a fair sheet set as of October 31, 201, setting the period of construction work as KRW 30 million and KRW 30 million and KRW 30 million and KRW 30 million.

On September 30, 201, Defendant C paid KRW 30 million to the Plaintiff as advance payment of the instant construction work.

E. The Plaintiff continued construction after the lapse of the original term of construction, and suspended the instant construction work on or around January 2012.

F. Accordingly, between J on February 8, 2012 and J, Defendant C concluded a construction contract for the construction of the floor lumber of the instant building B to KRW 15,500,000 (value added tax) and thereafter the said J completed the said construction work.

[Reasons for Recognition] Facts without dispute, Gap evidence 1, Eul evidence 1, Eul evidence 1-2, Eul evidence 2, Eul evidence 3-1, 2, Eul evidence 4, Eul evidence 5, Eul's testimony and the purport of whole pleadings

2. Determination as to the claim on the principal lawsuit

A. The Plaintiff determined the claim against Defendant B, as the owner of the instant building B, delegated all of the powers related to the instant construction contract to Defendant C, and thus, the instant construction contract was concluded.