1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. On November 19, 207, the deceased A (hereinafter “the deceased”) and the Plaintiff B and C entered into a sales contract to sell each of the instant real estate owned by them (hereinafter “the instant sales contract”) with the Vietnam Development Co., Ltd. (hereinafter “VS Development”). Around that time, the Defendant, a trust company, entered into a sales contract to sell each of the instant real estate (hereinafter “instant trust contract”) with the Defendant, as the trust company, and the main contents of the instant contract are as follows.

1) The sales contract of this case is to pay KRW 6,480,000 for the remainder of KRW 1 to 3 real estate of this case, including sale and purchase, KRW 7,170,000,000,000 for the sale of the object of this case, including purchase and sale, and KRW 6,480,000 for the contract, and the remainder of KRW 6,480,000 for the contract shall be paid at the first time within five months after the business approval or the contract is concluded. The remainder of KRW 50,000 for the sales contract of this case shall be paid at the time of the contract, and the remainder of KRW 450,00,000 for the sales contract of this case shall be paid at the first time within five months after the business approval or the contract is concluded. The buyer of this case shall pay the remainder of KRW 30,00,000 for the remainder of KRW 30,000 for the sales contract of this case without delay within seven days after the contract is concluded.

(5) Where a purchaser becomes unable to implement a project, he/she may terminate the sales contract of this case.

At this time, the seller receives the notice of termination from the buyer within 30 days from the date of receipt of the notice of termination.