1. The plaintiff's claims against the defendants are all dismissed.

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

1. Basic facts

A. Defendant B is the owner of the building and its ground (hereinafter “instant building”) in Gyeyang-gu, Incheon Metropolitan City (hereinafter “instant land”).

E is the trade name of “F Licensed Real Estate Agent Office”, and Defendant C is the licensed real estate agent who runs the real estate brokerage business under the trade name of “G Licensed Real Estate Agent Office.”

A 50.82 prefabricated built of reinforced concrete on the rooftop for the purpose of structural use of the location (land size) size 50.82 Modern Housing 7.15 Madembagsium 2.86 Madembags warehouse 1.52 Madembags warehouse 1.5 Madembags warehouse 1.5 Madembagsium warehouse 78.75 Madembagsium

B. In addition to the portion registered in the registry and the building ledger (the steel reinforced concrete structure, lub roof three stories, neighborhood living facilities, 253.08 square meters per floor, 253.03 square meters per floor, 253.03 square meters per floor, 230.28 square meters per floor, 353.1 square meters per floor) on the instant building, there was a portion extended without permission as indicated below (hereinafter “the instant extension portion”).

C. 1) On May 25, 2017, the Plaintiff entered into a contract with Defendant B to purchase the instant land and buildings at KRW 1,835,00,000 (the contract amount of KRW 100,000,000 on the date of the contract, and the remainder of KRW 1,735,000,000 on the date of the contract (the payment on June 15, 2017) (hereinafter “instant sales contract”).

A) Upon the conclusion of the contract, E entered into a contract, and Defendant C arranged each of the above sales contracts on the part of the Plaintiff B, and Defendant C arranged the above sales contract on the part of the Defendant B. (2) The column for the content of the special contract is “a contract in the present facility condition, and the size of land, boundary, building area, etc., shall be based on the cadastral record and shall be confirmed with all documents,” and the column for whether the building was in violation of the building ledger among E and the description for confirmation of the object of brokerage prepared by the Defendant C (hereinafter “the description for confirmation of object of brokerage of this case”) attached to the above contract, is in body in the part of “the appropriate law”.

At the time of the conclusion of the instant sales contract, multiple lessees respectively leased the instant building from Defendant B to each floor.