A. C&C Co., Ltd. (hereinafter “C&D”), around 2006, was running the business of constructing and selling a building on the land located in Kui-gu, Chungcheongnam-gu, Cheongju-si, and D, and was loaned business funds from the National Federation of Fisheries Cooperatives. Around that time, Korea Asset Trust Co., Ltd. (hereinafter “Korea Asset Trust”) entered into an agency agreement with Korea Asset Trust Co., Ltd. as an agent with the content of providing the said land and new building as collateral.

B. When CheongND could not repay the above loans, the Korea Asset Trust was put up for a public auction among the E-building newly constructed on the above land. Article 3(8) of the Public Auction Notification provides that the purchaser shall be responsible for the duty to return the lease deposit for the real estate subject to the public auction. (c) On November 17, 2011, the Plaintiff offered a bid for the above public auction against Nos. 707, 708, and 709 (hereinafter “the instant real estate”) of E-building No. 1. 707, 708, and 709 (hereinafter “the instant real estate”) from the foregoing public auction. In order to enter into the sales contract for the instant real estate, the Plaintiff entered into a telephone conversation with the F, an employee of the Korea Asset Trust, who was entrusted with the sale agent from CheongND on November 24, 2011, and the Plaintiff paid the lease deposit to 700,700,000 won (hereinafter “the instant contract”).