1.(a)

Defendant D and the Korean Licensed Real Estate Agent Association shall jointly cooperate with Plaintiff A in KRW 14,298,031 as well as with regard thereto.

1. Basic facts

A. On February 22, 2010, under the brokerage of Defendant D, a licensed real estate agent, Plaintiff D, the owner H, and I of the Class II neighborhood living facilities building of the eighth floor of the Geumcheon-gu Seoul Metropolitan Government Building (hereinafter “instant building”), the lease deposit amount of KRW 55 million from the instant building, and the lease deposit amount of KRW 506,00,000,000 from March 13, 2010 to March 12, 2012, the lease deposit was paid around that time.

B. On April 3, 2010, Plaintiff B, under the brokerage of Defendant E, a licensed real estate agent, leased 201 units of the instant building from H and I, KRW 50 million, and the lease term from April 6, 201 to April 5, 201. The lease deposit was paid around that time.

C. On November 10, 2012, under the brokerage of Defendant F, a licensed real estate agent, Plaintiff C leased KRW 202 of the instant building with the lease deposit amounting to KRW 43 million, and the lease period from November 16, 2012 to November 15, 2014. The lease deposit was paid around that time.

On November 12, 2009, the Defendant Korean Licensed Real Estate Agent Association (hereinafter “Defendant Association”) concluded a mutual aid agreement with Defendant D with the content that the period of mutual aid shall be within the limit of KRW 100 million for each transaction party, from December 16, 2009 to December 15, 2010; the period of mutual aid between Defendant E and Defendant E shall be from December 13, 2009 to December 12, 2010; and the period of mutual aid between Defendant F and Defendant F shall be from December 8, 2011 to December 7, 2012; and if Defendant D, E, and F cause property damage to the transaction party on purpose or by negligence, Defendant D, E, and F shall be paid to each transaction party within the limit of KRW 100 million.

E. Meanwhile, the instant building consists of a multi-family house with 53 households. Defendant D, E, and F, while mediating each of the instant lease agreements, only notified the Plaintiffs of the legal relationship indicated in the certified copy of the instant building at the time of the mediation of the instant lease agreement, that the maximum debt amount is 1.69 billion won, and only notified the right to collateral security under the name of the National Bank.