A. Defendant B owns the land of this case and the land of this case 1,762 square meters (hereinafter “instant land”) and the land of this case 1,657 square meters (hereinafter “the instant land”), which are the 63.6 square meters of single floor 63.6 square meters of the light steel structure, 2nd floor 30.8 square meters of multi-story 2, and 30.8 square meters of the light steel structure, 110.76 square meters of 110.76 square meters of a warehouse attached to one story of the instant building (hereinafter “instant building”) and E forest 1,657 square meters of both the instant land and the instant building.

B. Defendant C is a practicing licensed real estate agent who operates the “G Licensed Real Estate Agent Office” in the F of Gyeongnam Development Group.

C. Around June 1, 2016, the Defendant Korean Licensed Real Estate Agent Association (hereinafter “Defendant Association”) concluded a mutual aid agreement with Defendant C to guarantee its damage to the parties to a transaction by intention or negligence in performing real estate brokerage, within the limit of KRW 100 million from June 1, 2016 to May 31, 2017.

On April 22, 2017, the Plaintiff concluded a sales contract with Defendant B to purchase the instant land at the purchase price of KRW 130 million (contract deposit of KRW 17 million) and to purchase the instant building at the purchase price of KRW 125 million (contract deposit of KRW 125 million), and to purchase the instant forest land at the purchase price of KRW 5 million (contract deposit of KRW 5 million) (hereinafter “instant sales contract”). On the same day, the Plaintiff paid the down payment of KRW 30 million to Defendant B.

E. Unlike the building in the public record consisting of detached houses of the second floor and warehouses annexed to the first floor, in fact, single houses and warehouses are two floors (see subparagraph 1 of this Article). The annexed warehouse is an illegal building that has not been reported to the competent authorities.

[Recognition] Facts without dispute, Gap evidence Nos. 1 through 4, Eul evidence Nos. 1, Eul evidence Nos. 1 and 2 (including branch numbers; hereinafter the same shall apply) and the purport of the whole pleadings

2. The plaintiff's assertion

(a) the primary features;