A. The Plaintiff engaged in the business of developing and selling non-party L’s land, including Pyeongtaek-si H, I, J, and K, as a new housing site for electric source. The Defendants completed the registration of ownership transfer with respect to each of the above new housing sites from October 2005 to December 2008 by acquiring the said new housing site from the Plaintiff (hereinafter “each of the instant housing sites”) (hereinafter “each of the instant sales contracts”) and from around 2006 to around 2008.

B. The status of each of the instant sales contracts and the Defendants’ registration of ownership transfer for each of the instant housing sites concluded with the Plaintiff is as follows.

(1) On November 21, 2005, KRW 200, KRW 600, KRW 300,000 on November 21, 2005, KRW 200,000, KRW 16,000 on November 21, 2005, KRW 595,000,000 KRW 16,000 on August 24, 2006, KRW 205,000 KRW 16,000 on December 16, 2005, KRW 30,000 on August 24, 2005, KRW 20,000 KRW 16,000 on August 4, 2006, KRW 205, KRW 205,000 on July 24, 2005, KRW 36,005,000 on May 25, 2005.

2. Determination as to the claims against Defendant B, C, D, E, and F

A. Each of the parties' arguments 1) The plaintiff asserts that the above Defendants are obligated to pay all or part of the balance of the purchase price, even though they completed the registration of ownership transfer for each of the instant housing sites, so they did not pay all or part of the balance.

B. The following circumstances are acknowledged in full view of the following: 1-1-12 evidence, Gap evidence Nos. 1-12, Eul evidence Nos. 1-1-15, and the purport of the whole pleadings:

① The Defendants are related to the sale of each of the instant housing sites.