1. The plaintiff's claim is dismissed.

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

1. Facts of recognition;

A. (1) On April 24, 2015, the Plaintiff entered into the instant sales contract with the Defendant, and the Seoul Dongdaemun-gu Seoul Building, an aggregate building from the Defendant (hereinafter “instant building”).

(2) The contract for the supply of building (hereinafter referred to as "the contract for the sale of building in this case") was entered into. The contract for the sale in this case was entered into. The major contents of the contract for the 14th floor are as follows, and the remaining provisions of the contract for the sale in each unit are the same as those of the contract for the sale in each unit. The actual contents of the contract for the supply of building A shall be the same. The actual contents of the contract for the sale in this case shall be 0% of the total amount of the contract for the exclusive use area of the building in Dongdaemun-gu Seoul Metropolitan Government (unit : unit : 1.2. The contract for the sale in this case shall be 0% of the total amount of the contract for the exclusive use area of the building in this case and the co-ownership area of the building in this case (unit : 3. The contract for the sale in this case) shall be 0% of the total amount of the contract for the sale in this case and the remaining amount of the contract for the sale in this case shall be 180% of the contract for sale in this case.