1. The Defendants are jointly and severally liable to the Plaintiff for 50,000,000 won and the period from June 16, 2013 to February 18, 2015.

According to the statement in Gap evidence No. 1, there is no dispute between the parties, or the defendant Eul borrowed 50,000,000 won from the plaintiff on June 15, 2013 as the due date for payment on June 15, 2013. The defendant C and D can recognize the fact that they jointly and severally guaranteed the defendant Eul's above loan obligation against the plaintiff.

According to the above facts of recognition, the Defendants are jointly and severally liable to pay to the Plaintiff the amount of KRW 50,000,000 and damages for delay calculated at the rate of 5% per annum prescribed by the Civil Act from June 16, 2013 to February 18, 2015, which is the day following the due date for repayment, to the Defendants, and 20% per annum prescribed by the Act on Special Cases concerning Expedition, etc. of Legal Proceedings from the next day to the day of full payment.

Therefore, the plaintiff's claim of this case is reasonable, and it is decided as per Disposition by the assent of all participating Justices.