1. All of the plaintiffs' claims are dismissed.

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

Basic Facts

AZ purchased “BC and BD” land (hereinafter “instant real estate”) in the BB tourism complex located outside Busan-gun, Busan-gun and 19 parcels, and executed a project to create a PPD building (hereinafter “instant PP”); on February 25, 2014, it entered into a site sales contract with the Busan Urban Corporation and the instant real estate purchase price of KRW 14.5 billion (hereinafter “instant site sales contract”); on the same day, it paid the down payment of KRW 1.45 billion to the said Corporation.

The seller of the building site in Seoul Special Metropolitan City: The seller of the building site in BB Tourist Complex Development Project (Public Notice No. BF and BG of Busan Metropolitan City): The sale price of the building site in BB Tourist Complex Development Project (to be publicly notified No. BF and BG), the area of the building site in BB tourist complex (to be designated as district unit planning and development plan) and the area of the building site in the facility number project (to be designated as district unit planning and development plan). The sale price of the building site in BC Pida 4,9126,200,953,00 residential area 50% and below 8,250% of BD Pida 8,2428,29,047,000 residential area 50% and below 250% of 8,000 residential area BB tourist complex development project (hereinafter referred to as "BE") shall sell the above building site in Busan Special Metropolitan City and enter into a sale contract or the following sale contract (hereinafter referred to as "B").

Article 4 (Site Sale Price and Payment Method) 2.2. 8. 2. 1. 2. 2. 2. 4. 2. 2. 05 2. 2. 05 2. 8. 05 2. 2. 05 2. 8. 05 2. 05 2. 05 2. 05 2. 1. 05 2. 05 2. 05 2.29 04,90 157 20,004 2.1,095 30 930,000 95 . 930,950 2,790,79 244,857, 205 . 1. 205 . 2. 05 2. 05 2. 05 2. 29,000 829, 704 247,5 1. 304