1. The plaintiff's claim is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

1. Basic facts

A. The defendant is an agent for the execution of the Do, 12, 14, and 15th Etel owned by C (hereinafter "the building of this case"), and the plaintiff is a contractor who has been awarded a contract for the interior works of the building of this case.

B. (1) On May 2016, the Plaintiff changed the existing rain or facility of the instant building to the office officetels for Fho Lake’s office (on the basis of the office officetels), between the Defendant and the Defendant (hereinafter “instant construction”) (hereinafter “instant construction”).

2) A contract under which the contract is concluded (hereinafter “instant contract for construction”)

(2) The Plaintiff entered the said construction site on January 1, 2017 to January 3, 2017 and entered the holidays.

3) On January 9, 2017, the Defendant sent to the Plaintiff a content-certified mail containing the content that the instant construction contract was terminated on the ground that the construction work was unilaterally suspended and entered into the leave and was in default of the obligation, even though the contract period had elapsed after the Plaintiff received payment of 120% of the total construction cost, and the construction period had been expired. The instant construction contract was concluded between the Defendant and G Co., Ltd. (hereinafter “G”) around January 3, 2017, and the Defendant completed the remainder of the construction work around March 25, 2017.

5) From July 7, 2016 to December 9, 2016, the Plaintiff issued an electronic tax invoice of KRW 2,657,850,000 in total to the Defendant. On January 23, 2017, the Plaintiff cancelled the issuance of the electronic tax invoice of KRW 864,850,000 in total issued from October 10 to December 9, 2016. (c) The Defendant applied for the payment order against the Plaintiff on April 27, 2017, as Incheon District Court 2017 tea 11910.