A. The Plaintiff is a credit card business operator with the purpose of issuing, selling, and managing credit cards, pre-paid cards, debit cards, and electronic currency, payment obligations for funds relating to the use of credit cards, inviting and managing credit card holders and member stores, and financing for credit card holders.

B. The Defendant is a credit card member who signed a contract for the issuance and use of credit cards with the Plaintiff and consented to the application of the credit transaction basic terms and conditions in using the credit cards issued by the Plaintiff.

C. As of March 22, 2017, the Plaintiff has the following claims against the Defendant.

1) Temporary payment of KB Card: 73,870/Annual principal: 0: 773,870/Annual charge: 0: 41,702/total: 815,572/interest rate: 23.7%: 41,70/per annum: 164,814/Annual charge: 0/Annual principal: 0: 4,164,814/Annual charge: 0: 46,540/total: 331,354: 23.7%: 15,00,00/annual principal: 405,491/total interest rate: 683,897/total: 237,000 interest rate; 30/40; 360/400 of annual interest rate; 360/40 of annual interest rate; 363/50 of annual interest rate; 30/40 of annual interest rate; 30/630/48/48/48/6/28/3 of annual interest rate;

2. According to the facts found above, the defendant is obligated to pay to the plaintiff 37,467,259 won (KB card 21,236,313 won general bond 16,230,946 won) and 23.7% per annum for 19,938,684 won in arrears principal of KB card from March 23, 2017 to the date of full payment, and for 15,333,34 won in general bond loans, delay damages shall be paid at the rate of 23.3% per annum from March 23, 2017 to the date of full payment.

3. If so, the plaintiff's claim of this case is justified.