1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

. The plaintiffs' assertion on the grounds of the claim

A. On April 6, 2011, Plaintiff A purchased the purchase price of KRW 1,522 square meters among KRW 12,839,000,000 (2 times of contract deposit amounting to KRW 50,000,000 in intermediate payment, KRW 50,000 in intermediate payment, KRW 50,000 in intermediate payment, and KRW 310,000,000 in late September 6, 201), and entered into a sales contract with the Defendant by adding the following special terms thereto.

[Matters of special agreement] * This contract is a contract based on the attached drawing (the provisional partition 1,522 square meters) size * a condition that a factory is constructed 184 square meters after the construction of a factory after the construction of a road at a height of a height of a road. (The floor container, underground water, electricity5K, septic tank, toilet change and other day construction, fence fences) * ownership transfer after the construction completion * The balance is a loan of financial rights.

* Re-prepares a contract after land partition, the purchase price is KRW 00,000,000, and the buyer will additionally pay KRW 0,000,000.

* Representation contract of land-owner E, who has been delegated to trade due to personal circumstances of land-owner C

B. On March 18, 201, Plaintiff B purchased KRW 424,000,000 for the purchase price of KRW 424,000 for the purchase price of KRW 424,000 for the purchase price of KRW 1,454 square meters for the forest land D 12,839 square meters prior to the division with the Defendant on March 18, 201 (the contract amount of KRW 40,000 for the intermediate payment of KRW 60,000 for the intermediate payment of KRW 60,000 for the remainder of KRW 324,00,000 for the remainder of September 6, 201

* This Agreement is a contract based on the attached drawing (provisional division) size* conditions that construct 167 square meters of a factory after the construction of a road at a height of the road (including floor container, underground water, electricity 5KW, septic tanks and toilets changeers and fences, fences) 6 meters high * the transfer of ownership after the completion of the construction * The balance is a loan of financial rights.

C. As the Defendant did not construct a factory agreed upon at the time of construction, the Plaintiffs were bound to transfer only the ownership of the first land. The Plaintiffs transferred the ownership of the land subject to sale, and the Plaintiff A paid the cost of KRW 297,777,049, and the cost of KRW 258,402,286, respectively.

Therefore, the defendant's default.