1. The Defendant’s KRW 28,826,00 for the Plaintiff and KRW 5% per annum from December 31, 2013 to May 12, 2015.

1. Determination as to the cause of claim

A. The Plaintiff’s design service contract for the 10th above ground level C, 10,000 won for the design of accommodation facilities and amusement facilities in Gangseo-si, Gangnam-si (hereinafter “instant 1 contract”) between the Defendant on July 2010 and the design service contract for the 10th above ground level C, 30,000 won for the design of accommodation facilities and amusement facilities (excluding value-added tax) (hereinafter “instant 1 contract”).

(2) On June 21, 2013, the Plaintiff entered into a design service contract (hereinafter “instant two contract”) with the Defendant for the design of the urban residential housing unit in Gangnam-si, Gangnam-si, which is set forth in KRW 80,000 (excluding value-added tax), and completed the design service contract (hereinafter “instant two contract”) with the content that was set forth in KRW 80,000,000, which was written retroactively from the Defendant on July 21, 2010, and that was written and delivered by the Plaintiff on July 21, 2010.

[Ground of recognition] The facts without dispute, Gap evidence Nos. 1 through 9 (including additional numbers), and the purport of the whole pleadings [the defendant] the defendant's seal which the plaintiff had kept without the defendant's consent was affixed to the building permit's design contract (Evidence No. 4-8 of evidence No. 4), but the whole document's authenticity is presumed to have been established due to the lack of dispute in the defendant's seal image, and there is no evidence to acknowledge the defendant's argument, the above evidence defense is without merit.

In addition, the defendant asserts that there was no contract between the plaintiff and the plaintiff for the first and second contracts of this case, but it seems that the plaintiff, the architect, did not conclude the design service contract and did not perform all the affairs such as authorization, permission, etc. related to the execution of the design service, and although the contract for the second contracts of this case was not prepared, it was normal 80.