A. On April 13, 2017, the Plaintiff leased KRW 60,000,00 to Defendant medical corporation A (hereinafter “Defendant A”) as of June 15, 2017, and on the same day, Defendant B guaranteed the above loan obligation.

B. Thereafter, the Plaintiff received reimbursement of KRW 20,000,000 among the above loans.

[Recognition] Facts without dispute, entry of Gap evidence No. 1, purport of the whole pleadings

2. According to the above facts of determination, the Defendants, a joint and several surety, are jointly and severally liable to pay to the Plaintiff, a loan obligee, the remainder of 40,000,000 won (=60,000,000 won - 20,000 won) and for this, 5% per annum prescribed in the Civil Act from June 16, 2017 to September 6, 2017, the delivery date of the original copy of the instant payment order, from the next day to the day of full payment, and 15% per annum prescribed in the Act on Special Cases concerning Expedition, etc. of Legal Proceedings from the next day to the day of full payment.

3. In conclusion, the plaintiff's claim is justified, and it is so decided as per Disposition.