1. The Defendant’s KRW 29,025,670 for the Plaintiff and 5% per annum from May 12, 2017 to December 20, 2018.

1. Basic facts

A. Around October 21, 2015, C entered into a design contract with the Plaintiff on October 21, 2015 with respect to the construction of Gaba (including an underground 1st floor, a total floor area of 2,400 square meters) on the ground of Gaba (including an underground 4th floor, a total floor area of 2,400 square meters) located in Seo-gu, Seo-gu, Seo-gu, Seo-si, Seo-si, Seoul with the Plaintiff on the part of Defendant, D, E, and eight, and between the Plaintiff and the Plaintiff on January 31, 2016.

B. The above contract includes the construction design cost (90,000 won per ordinary) and the civil engineering design cost (cafeteria 9 million won). C provides all the documents (ownership relation, etc.) necessary for building permission at the request of the Plaintiff at the time of the Plaintiff’s request, and agreed to pay for the design work already performed if the design work is discontinued due to termination of the contract (Article 17).

C. Around January 25, 2016, the Plaintiff, the Defendant, and C, and D agreed to prepare a building design contract again on the premise that the said F land was divided into H land. Accordingly, the Plaintiff and the Defendant concluded a design contract from May 24, 2016 to September 30, 2016, with respect to new construction of the second GGra on H ground (the first floor, the fourth floor, the total floor area of 914 square meters) in Seo-gu, Seo-gu, Seo-gu, Seoju-gu, for the construction contract amounting to 29,953,000 won (including the construction design cost, KRW 99,00,000, the civil engineering design cost, and KRW 5,500,000,000).

(hereinafter “instant design contract”). D.

After that, around May 20, 2016, neighboring parks, which cannot be constructed among the above F land, were left, and constructed parts were divided into H forest and forest land into 2513 square meters.

(hereinafter “instant site”) e.

On June 30, 2016, pursuant to the instant design contract, the Plaintiff applied for a building permit to newly build one multi-family housing (B) on the land of Seo-gu, Seo-gu, Seo-gu, Seo-gu, Seo-gu on behalf of the Defendant, and applied for a permit to engage in development activities and a permit to convert the form and quality of the housing site into a total of 917 square meters. In addition, the Plaintiff applied for a permit to convert the form and quality of the housing site into a total of 917 square meters among the above land, and simultaneously applied for a permit to convert the construction site