1. As to the Plaintiff KRW 40,000,000 and its KRW 10,000 among them, the Defendant shall pay to the Plaintiff KRW 10,000,000 from March 10, 2017.

In addition to the purport of the entire pleadings, evidence Nos. 1 through 3 in addition to the purport of the entire pleadings, the purport of the argument is as follows: ① the Plaintiff loaned KRW 10 million to the Defendant on March 10, 2017, KRW 10 million on May 17, 2017, KRW 10 million on June 4, 2017, KRW 10 million on June 15, 2017, and KRW 10 million on June 15, 2017 (in the absence of any different payment period), and ② the Defendant paid to the Plaintiff interest calculated at the rate of KRW 2% per month on each of the above loans.

Therefore, the Defendant is obligated to pay to the Plaintiff interest and delay damages calculated at the rate of 24% per annum, which is the agreed rate from March 10, 2017, May 17, 2017, from June 4, 2017, and from June 15, 2017 to the date of full payment.

Thus, the plaintiff's claim of this case is accepted.