1. The Defendant’s KRW 86,00,000 as well as the Plaintiff’s annual rate of KRW 5% from February 1, 2017 to July 12, 2017.

1. Comprehensively taking account of the purport of Gap evidence No. 1 and all pleadings as to the cause of the claim, the Plaintiff invested KRW 86 million to C around August 2016, but the Plaintiff requested C to return the investment amount due to the lack of business operation, and on October 20, 2016, C agreed to return the total amount of KRW 86 million to the Plaintiff on seven occasions from October 31, 2016 to January 31, 2017, and the Defendant jointly and severally guaranteed the agreement.

According to the above facts, the defendant is obligated to pay to the plaintiff 86 million won and the damages for delay calculated at the rate of 5% per annum as stipulated in the Civil Act from February 1, 2017 to July 12, 2017, which is clear that it is the delivery date of the original copy of the payment order in this case, and 15% per annum as stipulated in the Act on Special Cases concerning Expedition, etc. of Legal Proceedings from the next day to the day of full payment.

2. It is so decided as per Disposition by the assent of all participating Justices on the ground that the plaintiff's claim of this case is reasonable.