1. The Defendant (Counterclaim Plaintiff) paid KRW 9,600,000 to the Plaintiff (Counterclaim Defendant) and its related amount from June 25, 2017 to August 28, 2017.

1. Facts of recognition;

A. The Plaintiff is a person who operates the interior management business chain C, and the Defendant is a person who has entrusted the Plaintiff with the interior management work of an apartment.

B. On May 9, 2017, with the Defendant, the Plaintiff entered into a construction period of 25,00,000 won (in total, KRW 2,500,000, KRW 7,000, KRW 7,000, KRW 7,000, KRW 2,000, and KRW 8,500,000, and KRW 2,500,000) with respect to the construction period from June 12, 2017 to June 24, 2017, with respect to D apartment 4, 1302, Seongdongdong-gu Seoul Metropolitan Government (hereinafter “the instant interior construction contract”).

The Plaintiff and the Defendant concluded the instant interior construction contract in KRW 25,00,000, even though the actual cost of construction checks under the instant interior construction contract was KRW 26,990,000.

C. On June 24, 2017, the Plaintiff completed interior interior interior interior interior interior works pursuant to the instant interior contract. However, the Defendant filed an objection to the Plaintiff’s non-execution, erroneous construction, additional costs, etc. and did not pay the remainder of KRW 8,500,000.

In addition, additional construction costs of KRW 1,100,00 (40,000 for additional construction costs of KRW 480,00 for additional construction costs of KRW 400,00 for living room floor, removal of sandbling costs of KRW 170,00 for sandbing, and KRW 50,00 for the installation costs of toilet boilers) were not paid.

On June 25, 2017, the Plaintiff shall leave from his/her residence without justifiable grounds.

On June 29, 2017, a summary order of KRW 1,500,00 (Seoul Eastern District Court 2018 High Court 2018 High Court 1396) was issued for the summary order of KRW 1,000,000 (Seoul Eastern District Court 2017 High Court 6887) due to the defendant's crime that intrudes the defendant's residence.

[Ground of recognition] Facts without dispute, Gap evidence Nos. 1 through 4, Eul evidence Nos. 10 and 11, the purport of the whole pleadings

2. The assertion and judgment

A. According to the facts of the judgment on the main claim, the defendant's remaining amount of KRW 8,500,000 and additional construction cost of KRW 1,100,000 and its amount of KRW 9,60,000 for the main claim in this case.