1. The Defendant is jointly and severally and severally with B and C about KRW 498,185,859 and KRW 485,11,765, among them, from July 18, 2017.

1. Determination on the cause of the claim

A. The following facts are recognized in addition to the statements in Gap evidence Nos. 1 through 6 and the purport of the entire pleadings:

1) On August 19, 2015, the Plaintiff entered into an installment financing agreement with the Defendant with a maturity of KRW 550 million, maturity of KRW 60,00,000, KRW 600,000 per annum, interest rate of KRW 6.8% per annum, and KRW 250,000,000 to the Defendant. B and C jointly guaranteed the Defendant’s obligation to repay loans under the said installment financing agreement on August 19, 2015. (2) The Defendant began to perform the obligation to repay loans under the said installment financing agreement from April 19, 2017, as of July 17, 2017, the principal and interest of KRW 462,486,04 as well as interest of KRW 1,03,941, KRW 22,625,71, interest rate of overdue interest, and KRW 1,50,00,000 per annum, KRW 481,581,2585.

B. If so, the Defendant is jointly and severally liable with the Plaintiff, a joint and several surety, to pay to the Plaintiff a total of KRW 498,185,859, and the total of KRW 485,111,765 (=462,486,004 won and KRW 22,625,761) with interest rate per annum from July 18, 2017 to the date of full payment.

2. It is decided as per Disposition by admitting the plaintiff's claim on the ground of the reasons.