A. Codefendant B of the first instance trial (hereinafter “B”) is a mutual aid business entity that has entered into a mutual aid agreement with D Licensed Real Estate Agent Office (hereinafter “D Licensed Real Estate Agent Office”) with B during the mutual aid period (from July 4, 2012 to July 3, 2013) to compensate the parties to a transaction for any property damage caused to B by intention or negligence during the mutual aid period (hereinafter “mutual aid agreement”).

B. On October 10, 2012, the Plaintiff entered into a lease agreement (hereinafter “instant lease agreement”) with E with the said D Licensed Real Estate Agent Office on the condition that the three floors of multi-family houses with the F third floor above the third floor (hereinafter “instant building”) owned in Namyang-si, Namyang-si (hereinafter “instant building”) will be leased at KRW 150,00,000,000, and from November 9, 2012 to November 8, 2014, the Plaintiff paid the said lease deposit to E around that time.

C. Since July 9, 2012, lessor E had worked as a brokerage assistant in B, and the broker column of the instant lease agreement was signed and sealed.

At the time of the conclusion of the instant lease agreement, the maximum debt amount of the instant building was KRW 630 million, and the mortgagee of the right to collateral security was set, an agricultural cooperative, and not only G, H, I, and J as a senior lessee, but also B did not explain the terms and conditions of the said lease agreement by the senior lessee, in addition to the soliciting the Plaintiff to obtain a fixed date.

B Even though the confirmation and explanatory note of the object of brokerage delivered by B to the Plaintiff, only the said collateral is recorded, and the “the rights of the object that has not been actually related or publicly announced” column was public column.

E. Thereafter, on the instant building and its site, January 12, 2015.