1. The plaintiff's appeal against the defendants is dismissed in entirety.

2. The costs of appeal shall be borne by the Plaintiff.

purport, purport, and.

1. Basic facts

A. On March 15, 2010, the Plaintiff entered into a credit guarantee agreement with D Co., Ltd. (hereinafter “D”) and a guarantee creditor bank, corporate bank, loan for corporate purchase of loan subjects, guaranteed amount of KRW 47,500,00, and guarantee term on March 14, 201, and issued a credit guarantee agreement in the future of a corporate bank.

B. D entered into a loan agreement with a corporate bank on the same day, setting the loan limit of KRW 50,000,000, in accordance with the above credit guarantee agreement.

C. D On March 15, 2010, the trading brokerage site (I; hereinafter “F site”) operated by E Co., Ltd. (hereinafter “E”) was a purchasing enterprise as a purchasing enterprise. D

On March 17, 2010, Defendant B Co., Ltd. (hereinafter “Defendant Company”) opened a deposit account (AccountJ, hereinafter “instant account”) with a corporate bank, and around that time, entered into an agreement on the use of the settlement of corporate purchase funds with the corporate bank (Sales Company).

E. On March 18, 2010, the Defendant Company was a member of the Fsite as a sales company.

F. After that, D entered into a contract for the purchase of goods, such as “DP,” etc. from Defendant Company, and the transaction information was electronically notified to a company bank through B2B joint network established by the Plaintiff. D transferred the purchase fund to the instant account through the company bank Internet banking, as follows:

5,00,000 on December 31, 2010 on December 31, 201, 201: 5,00,00 on June 28, 201; 5,00,00 on January 7, 201, 200; 10. 4. 6, 190,00 on May 17, 201; 10,000 on May 3, 201, 201; 10,000 on May 17, 201, 201; 20. 10. 5, 190,00 on January 6, 201; 10, 200 on January 17, 201; 10, 190; 19,190 on January 17, 201;